How to find the perimeter of a circle with a radius of 7.87 meters? A circle has a diameter of 15.74 meters. What is its circumference? If a circle has a area of 194.6 square meters. What is its perimeter? Disclaimer While every effort is made to ensure the accuracy...
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 with radius π is ( ).A.πB.2πC.π2D.2π2
Circumference of a Circle Formula The Circumference (or) perimeter of circle = 2πR where, R is the radius of the circle π is the mathematical constant with an approximate (up to two decimal points) value of 3.14 Again, Pi (π) is a special mathematical constant; it is the ratio of ...
This constant distance between the round shape and the fixed point is termed as the radius of the circle and the fixed point itself is called the center. The circumference of a circle with diameterdis measured as- C=πd whereCis the circumference of the circle ...
一道英文数学题The circumference of a circle is directly proportional to the length of its radius,and its area is directly proportional to the square of the length of its radius.If the circumference of a circle is multiplied by 6,then its area
A circle has a radius of 6 meters. What is the circumference of the circle? A. 12π meters B. 18π meters C. 36π meters D. 72π meters 相关知识点: 试题来源: 解析 B。解题思路:圆的周长等于 2πr,半径是 6 米,那么周长就是 2×π×6=12π。涉及的英语语法:数字的表达,what 引导的...
The circle has a radius of 4 cm. What's the circumference of the circle? A. 8π cm B. 16π cm C. 12π cm D. 20π cm 相关知识点: 试题来源: 解析 B。本题考查圆的周长计算。圆的周长 = 2×半径×π,即 2×4×π = 8π(厘米),所以答案是 B,A 选项 8π cm 计算错误,C 选项 ...
The radius of circle C is 2π. The center of circle C is located at point (7,8) in the xy-plane. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C、BOTH st...