14. The Circumference (or) perimeter of circle = 2πR. As we know that the formula for "Length of an arc": Hence, Option 'A' is correct. 8. This is typically written as C = πd. Circumference of a 12′ diameter circle. This tutorial shows you how! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. Question. Get answers from Weegy and a team of really smart live experts. 14159. To find the circumference of a circle, we need to multiply the diameter by pi (π) So the circumference of this circle is π d = π x 5 or 5 π cm. 12 meters. 61. 68965 m C = 75. The circumference of a circle is S=2pir where r =radius The area of cirlce is A=pir^2 The diameter is twice the radius d=2r=>r=6 So the. 92 or r=12 Circumference of the circle =2pir =2pi(12) =24pi =75. 3984 meters Score . In the figure above, click 'reset' and drag any orange dot. 75. To calculate the area of any circle in C++ programming, you have to ask the user to enter the radius of the circle, place the radius in a variable, say rad, and then initialize 3. How to find the diameter of a circle? The diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circumference of the circle. Circumference = π·d = 3. 37. So, as we know the formula for "Circumference of circle": We need to find the length of an arc AB. 16 ; r^2 = 452. A. Multiply 12. π is the mathematical constant with an approximate (up to two decimal points) value of 3. 47 r = 4. 752 cm2. Solution: Given, radius of circle = 3. Weegy. Weegy: The name given to Americans who opposed the war effort in Vietnam was: Doves. 51ft. or 27 ft. 25 cm D. ft. 16 m^2The circumference of a circle that has an area of 452. 90° C. where r is the radius of the circle. 51 m^2 C = 2 * 37. C = 2 π 8. 1416 Weegy: The spoke of a wheel reaches from the center of the wheel to its rim. 30 * 3. 14 *r^2 , r^2 =58/3. Find the circumference of a circle if the area is 300 square centimeters. 24 meters C. Add this value into the formula C = 2 x π x R C = 2 x π x 20 = 125. 14 ⋅ 5 C ≈ 15. Log in for more information. Round your answer to the nearest inch. Verified answer. 14*12 = 75. 3. B. User: Which type. 38,632,479. 16 square meters. This answer has been confirmed as correct and helpful. If Jonathan is twice as old as his sister, how old is JenniferIf the circumference of the rim of the wheel is 48 inches, Circumference =2*pi*r, 48=2 *3. 0 cm: 628. If the area is known: The formula below allows you to calculate the circumference of a circle using its radius: c = 2 * π * √(a / π) = 2 * √(a /. The area of a circle is pi times the radius squared (A = π r²). heart. 7 into the formula for the area of a circle. report flag outlined. Find the circumference of a circle with a radius of 7m. Question. Search for an answer or ask Weegy. 38cm Area = 300cm Area = pi*r^2; r^2 = Area/pi; r^2 = 300/3. 84. A. 25 cm D. ) A. The circumference of a circle with a known radius and can calculated using the following formula: C = 2Π (r) The constant PI (Π) can be approximated as 3. 38 cm. Solution: radius = d/2 = 28/2 = 14 Circumference = 2*(3. Question. To find the circumference rounded to the nearest tenth, we need to calculate the value of 61. 1 = 37. Weegy: Adjectives are words that. radius is always half the length of its diameter. 5) r = 12. Students will be able to. 29 inches. 85. The formula to calculate the circumference if you know the diameter is as follows: Circumference = Diameter x π π = Pi = 3. 84 inches. 14 3. Vascular tissue Weegy: You would find root hairs and the epidermis in the dermal tissue. Round your results to one more decimal than in the given radius. The measurement of the second angle is 140°. 16 r^2 = 452. Cheruiyot. 14*7=6. 2. in. Circumference quiz for KG students. 25 cm D. Weegy: Using the formula. The diameter of a circle is the distance from one edge to the other, passing through the center. 74 cm The circumference of a circle if the area is 300 square centimeters. 12 meters B. If we take π = 3. 4 (rounded). 16/pi or r^2=143. 78: 359. calculate the circumference of a circle with a. Given the radius of a circle calculate the area, circumference and diameter. Area = pie *r^2 = 452. 1416 as the value of . 77 cm D. 47 , r = 4. 24 meters C. If you divide 300 by pie and then Square root it you would get your radius. 7 Expert answered| jerry06 |Points 84125| Log in for more information. 14*300) = 61. 7 ft. Circumference of a circle = 2πr. 16 /3. 38 cm D. Updated 9/9/2022 4:41:42 PM. 1416 as the value of pie. The circumference of a circle that has an area of 452. π = Pi = 3. 5 ft. If a circle has a diameter of 4, its. 44 in. D. 3984 meters (answer). Expert answered|MichellDonovan|Points 8680|. The circumference is a distance measurement that shows the length of the line that creates the outside of the circle. Solution: C = 2 r = 2 * 3. In this problem, we are given the diameter, so we can use the pid formula to find the circumference. Find the circumference of a circle that has an area of 452. So the formula for a circle is Pie * r^2. 61. 4: 11. 6. Calculate. 14 =18. Find the circumference of a circle if the area is 113. 14. 2 centimeters. d = 18. 38 cm. Thank you wolflin29|Points. 3 mm. Therefore, the circumference of the circle = 3. Note: for simplicity, the operations above. The circumference of a circle if the area is 300 square centimeters. Using 3. Putting A, C and d in terms of r the equations are: A = πr2 A = π r 2. D. weegy; Answer;. 99ft. The circumference of a circle is equal to Pi π π times the diameter d d. 3984 meter. 38 Added 12/30/2019 5:10:17 AM This answer has been confirmed as correct and helpful. 4 centimeters to nearest tenth Answer. = 4 × 3. 4. 64 inches. 77cm , circumference =2 *pi*r =2*3. 7 ft". A. 16 square meters The circumference of a circle that has an area of 452. what's the circumference of a circle with a diameter of 45 centimeters . 3984 meters. ;. 77 cm Weegy: The circumference or a circle is equal to 2 r, the area of the circle is equal to r^2. 16 square meters. Five-year-old Svetlana is on a behavior modification plan in school. Circular segment. C. 51ft Area = pi *r^2 , 64 = 3. This answer has been confirmed as correct and helpful. 22. 84. We can set up an equation to solve for r: 2πr = 45π. 3984 meters Score . C= 2 sqrt (pi*A) = 2 * sqrt (3. ) One interesting property about circles is that the ratio of a circle’s circumference and its diameter is the same for all circles. The measurement of the second angle is 140 180 - 40 = 140 degrees User: The length of a rectangle is 12 in. C. 14*9. 29 = 26. Weegy: If the area of a circle is 58 square feet, the circumference is 26. 1. (Pi is approximately 3. Original conversation. However, in the formula you provided (C = 2r), you are using the radius (r). 5 ft. 1416 c = 94. and the perimeter is 56 in. 5 cm. 29 = 26. 14) =4. The equation solved for r is r=c/2pi. Area = pi*r^2 = 3. 4 cm. Find the circumference of the circle. 38 cm. 14)*14. Formula to calculate the circumference of a circle. 38 cm B. 1416 as the value of π. Now, the diameter of the observable universe is about 1 trillion trillion kilometers, so it’s. The circumference of the circle is 16 π units or. 4 centimeters. 4 centimeters Developing c = pi * diameter (d) c = 3. 14 = 95. If radius and diameter are unknown, you can calculate it from the circumference: a = c² / 4π. The length of each spoke is 4. meters. The diameter of a circle is the distance from one edge to the other, passing through the center. B. where the arc length is. What is the Circumference of a Circle. Asked 4/2/2018 6:54:55 PM. c = d * pi. Weegy: The circumference of a circle with a diameter of 12 ft is 37. 38 cm. 6992 meters B. 3m)/(2*3. 75. 61. Find the circle’s area with the correct formula A = π x R^2 = π x 20^2 = 1256. The circumference of a circle is the distance around the circle. 99 ft. 12 = 25 units (Approx)The circumference of a circle with a diameter of 45 centimeters is: 141. 16 square meters ( used 3. 99 ft. Solution: Circumference (c) = Diameter (d) * pi c = 30 * 3. 25 cm D. 24 meters B. The dimensions could be the diameter, in inches Jessa used to draw her circle is 18. It is the same as calculating the perimeter of any polygon such as triangle, square, and rectangle. The circumference is therefore 2 x 3. Diameter of a Circle. Using the formula C = 2 r, find the circumference of a circle with diameter of 28 inches. Pre-Algebra. If the area of a circle is 58 square feet, the circumference is 26. 85/3. 14 = 144 r = 12 meters. The formula for the circumference of a circle is pi times the diameter of the circle. Please save your changes before editing any questions. Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. 9. 99 ft. The formula for working out the circumference of a circle is: Circumference of circle = π x Diameter of circle. 25 cm B. The circumference of a circle that has an area of 452. Popular Conversations. 85 m. 16 square meters is 75. 56 in. Area of a circle with radius r is given by the formula A = πr 2. Multiple Choice. Using the formula C = 2 r, find the circumference of a circle with diameter of 28 inches. 26. Find the circumference of a circle that has an area of 452. 7/2. 14 = 95. The circumference of a circle if the area is 300 square centimeters. Diameter. 47 , r = 4. 1416 * 12 = 75. True: Circumference of a circle, "C" : report flag outlined. 5414 , r = 9. The equation that can be used to find the circumference of a circle with a radius that measures 10 feet is: C=2x3. Weegy: An ecologist is a scientist who studies how animals and plants interact with their environment. 44 in. 16 /3. Popular Conversations. Its elegant simplicity is even reflected in its formulas for finding the circumference and area of any circle: C = 2πr C = 2 π r. 12 meters C. Now, putting these values, we have: C= πr = 3. 43. If you imagine the circle as a piece of string, it is the length of the string. 84. c = 45 * 3. 38 centimeters. Solution: circumference (c) = diameter (d) * pi. 1415 * 7m = 43. 85 meters exactly or limited to de precision of this calculator (13 decimal places). 1. What is the circumference of a circle with a diameter of 12 ft? How far around is a circle that is 12 feet across? Diameter. 5. ) A. 14) =4. Given the diameter or radius of a circle, we can find the circumference. 54 cm. Therefore, the circumference circle equation is C $= 2$πr. 6992 meters D. 6992 meters. Pi is a special mathematical constant with a value approximated to 3. C = 2 × 22. Pi = π = 3. 14. 14 = 95. 14 =18. Diameter. 88 in. New answers. Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. A angle in radians allows us to form a relationship between the angle, the radii and the arc length (which is harder to do in degrees). 77 cm D. 14 *r62 , r^2 = 64/3. 77 cm C. The diameter of a circle is twice the length of its radius, so you can use either the diameter or the radius in the formula. The circle is one of the first shapes we learn and one we see every day all around us. If your calculator doesn't have a PI (Π. Which of these dimensions could be the diameter, in inches Jessa used to draw her circle? Use 3. 16 m^2Find the circumference of a circle that has an area of 452. Diameter = 2 Circumference ≈ 6. 7 inches exactly or limited to de precision of this calculator (13 decimal places). 79 feet. 96 inches. The circumference of a circle is measured in units of meters, kilometers, inches, etc. Log in for more information. Substitute the value of the radius r r into the formula for the area of a circle. 85 m. Questions. 41 in c. LOL what are the chances of you answering this. Use 3. The circumference of a circle with a diameter of 30 centimeters is: "94. Furthermore, the circumference is the distance around the circle. 9. Find the circumference of a circle that has an area of 452. 28 in. About Transcript The area of a circle is pi times the radius squared (A = π r²). C = π·d. 1) (7. Diameter of 28 inches = radius 28/2 = 14 inches. results may be rounded. Circle area = Pi*r^2 = 3. 1. Question. 4 centimeters" Developing circumference = diameter * pi c = d * pi c = 45 * 3. 35 ft. report flag outlined. cm B. 7968 hm = 2×3. π is the numerical constant with an approximate value of 3. |Score 1|emdjay23|Points 268837| User: Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches. (use 3. S hare your wor ld. Circumference C = √ 4·π·A = √ 4·π·153. C = 2πr. 15. 4. 14159, but your calculator probably has a button for this. 14 * r^2 r^2 = 58/3. 16 /3. Solution: C = pi*d; C = 3. In this case it is 7. 5414. well you have to find the radius you have to divide the diameter by 2 which will get you 15. 77 cm Weegy: The circumference or a circle is equal to 2 r, the area of the circle is equal to r^2. 16; r^2 = 452. 5414 , r = 9. However, the term "perimeter" is conventionally used to describe the distance around the boundary of a polygon.