Radius (r): or Diameter (d): or Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with radius 13 is 81.68(*) Formulas: r = 13 d = 26 C = 81.7 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = are...
百度试题 结果1 题目【题目】3. Find thecircumference of acircle with a radius of10 ft. Round to thenearest hundredth. 相关知识点: 试题来源: 解析 【解析】radius=10fta'cocotθnc=2πr=2元(10)=62.83+t 反馈 收藏
The circumference of a circle with radius π is ( ).A.πB.2πC.π2D.2π2
Circumference length formula in terms of area C = √4·π·A Questions this calculator can answer: How to find the perimeter of a circle with a radius of 20 inches? A circle has a diameter of 40 inches. What is its circumference?
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How to find the perimeter of a circle with a radius of 15 feet? A circle has a diameter of 30 feet. What is its circumference? If a circle has a area of 706.9 square feet. What is its perimeter? Disclaimer While every effort is made to ensure the accuracy of the infor...
6. (a) Calculate the circumference of a circle with a radius of 72 cm, giving your answer to an appropriate degree of accuracy.3](b) Calculate the are a of a semicircle with a diameter of 44-8 cm.3(c)8-2cm→7.6cm12.8cm Diagram not drawn to scale Calculate the are a of the tra...
The circumference of a circle is 18.84 cm. What is the radius of the circle? A. 3 cm B. 6 cm C. 9 cm D. 12 cm 相关知识点: 试题来源: 解析 A。本题考查圆的周长计算。圆的周长 = 2 ×π× 半径,半径 = 周长÷(2 ×π),即 18.84 ÷ (2 × 3.14) = 3 cm。
Radius (r): or Diameter (d): or Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with radius 27 is 169.6(*) Formulas: r = 27 d = 54 C = 170 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of ...
2*pi(如果你取3.14的话）*12=circumference of the whole circle(得到整个圆的周长）=75.36ft 然后圆心角(60/360)*75.36=12.56ft,就这么算