WebJan 8, 2024 · Calculate the arc length according to the formula above: L = r * θ = 15 * π/4 = 11.78 cm. Calculate the area of a sector: A = r² * θ / 2 = 15² * π/4 / 2 = 88.36 cm². You can also use the arc length calculator to find … WebFORMULA w/ given Diameter. Circumference = πd. FORMULA w/ given Radius. Circumference = 2πr_____ 44. The diameter of a circular rug is 34 inches. ... ----- 4.The volume of a cube is 729m. what is the length of its side A.9m B.8m C.6m D.5m ----- 5. An Open box is 60cm long, 30 cm wide, and 25cm high. find the volume A.54 000cm B.50 …
Area of a Circle Calculator 📐
WebThe circumference of a circle is pi times its diameter. Circumference = π * Diameter. Diameter of a Circle. The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius. Diameter. Circle Circumference by Diameter (results are rounded) Diameter m ft; 12.0 m: 37.70: 123.7: 12.1 m: 38.01 ... WebExample: find the area of a circle. Task 1: Given the radius of a circle, find its area. For example, if the radius is 5 inches, then using the first area formula calculate π x 5 2 = 3.14159 x 25 = 78.54 sq in.. Task 2: Find the … crystalist twitter
Radius of a Circle Calculator
WebThis means you can use this tool to do other calculations such as diameter to circumference, radius to area, radius to cicumference, area to radius, area to circumference etc. Infact, all the numbers are shown as soon as … WebJan 30, 2024 · C = 2π (√ (A/π)) 5. Plug in the numbers to find the circumference. Use the area given by the problem to solve for the circumference. For instance, if the area ( A) of a circle is 15 square units, enter 2π (√ (15/π)) into your calculator. Remember to … WebFeb 23, 2024 · We know that the value of. π = 3.14. , we can simplify the above step, we get. ⇒ r = 8 3.14 × 2 = 1.27 m. We can now double the radius, which is the diameter, we get. ⇒ d = 2 × r = 2 × 1.27 = 2.54. Therefore, the diameter of a circle with the circumference 8 m is 2.54 m. Note: We should always remember some formulas in … dwight heatherley bermuda