The area of a circle is 36π square meters. What is the circumference? A. 6π meters B. 12π meters C. 18π meters D. 24π meters 相关知识点: 试题来源: 解析 B。面积为 36π 平方米的圆,周长是 12π 米。由面积公式 S = πr²,36π = πr²,解得 r = 6。周长 C = 2π...
A. The distance across the circle. B. The distance from the center to any point on the circle. C. The distance around the circle. D. The number of points on the circle. 相关知识点: 试题来源: 解析 C。原因:文中提到“The circumference of a circle is the distance around it.”。 反馈...
Learn more about this topic: Circumference | Definition, Equation & Examples from Chapter 2 / Lesson 3 42K What is circumference? Learn the circumference equation and definition. See examples of how to calculate circumference when given the diameter or radius. Related to this ...
How to find the circumference of any a circle given its radius. The circumference of a circle with radius of 78 is equal to 490.1. See the solution steps here.
单项选择题 (1)The length of arc XYZ is 18. (2)r=s A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(2)也充分. E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也...
What is the circumference of the circle above ?() (1)The length of arc XYZ is 18. (2)r=s A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(2)也充分. E.条件(1)和条件(2)单...
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 Circumference:The circumference can be defined as the linear distance that encloses a circle. It is, in simple terms, the perimeter of a circle. We calculate the perimeter of a circle using the formula {eq}C = 2\pi r = \pi D {/eq}....
Circumference length formula in terms of area C = √4·π·AQuestions this calculator can answer: How to find the perimeter of a circle with a radius of 1592 m? A circle has a diameter of 3184 m. What is its circumference? If a circle has a area of 7962000 square meters...
Circumference Area Inputs: Radius (r): or Diameter (d): or Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with radius 53 is 333(*) Formulas: r = 53 d = 106 C = 333 C = 2·π·r C = π·d C = √4·...