The formula for the circumference of a circle is ___. A. C = πr² B. C = 2πr C. C = πd
The circumference C is equal to two times pi times r C. Two pi r is C for the circle circumference D. C E. qual 2 multiply pi r 相关知识点: 试题来源: 解析 D。本题考查圆周长公式的英语表述。选项A、B、C都是“C = 2πr”的正确表述。选项D中“equal”应为“equals”。反馈 收藏 ...
The formula for the circumference of a circle is C = 2πr, where r is the ___. 答案 解析 null 本题来源 题目:The formula for the circumference of a circle is C = 2πr, where r is the ___. 来源: 数学英语会考试题及答案 收藏 反馈 分享...
B.R is a variable. C.R is an independent variable. D.C is a dependent variable. 相关知识点: 试题来源: 解析 A 结果一 题目 The circumference formula of a circle is C=2πR, which of the statements below is false? ( ).A.π is a variable.B.R is a variable.C.R is an independent...
In this formula, “r” represents the ___. A. radius B. diameter C. circumference D. area 相关知识点: 试题来源: 解析 A。在圆的面积公式 A = πr²中,“r”代表半径(radius)。直径是 diameter,周长是 circumference,面积是 area,根据公式可知这里“r”是半径。反馈 收藏 ...
A. radius B. diameter C. area D. perimeter 相关知识点: 试题来源: 解析 A。圆的周长公式 C = 2πr 中,r 是半径。B 选项“diameter”是直径;C 选项“area”是面积;D 选项“perimeter”是周长,和题目中的 C 重复。反馈 收藏
A. diameter B. radius C. circumference D. area 相关知识点: 试题来源: 解析 B。本题考查圆的面积公式中各个字母的含义。'r'在圆的面积公式 A = πr²中代表半径(radius)。A 选项 diameter 是直径;C 选项 circumference 是周长;D 选项 area 是面积。反馈...
What is the formula for circumference of a circle given the diameter? a. C=πr b. C=2πr c. C=πd d. C=2πd The Circumference of a Circle: In geometry, a circle is a set of points in a plane that are a given distance from a g...
解析 A The product of a circle's circumference and radius divided by its area is 2πr×r÷πr2=2. 圆的周长和半径的积除以圆的面积是( ). A.2 B.π C.2π D.2π2 一个圆的周长和半径的积除以它的面积是2πr×r÷πr2=2.
The formula for the area of a circle is A = πr². What does 'r' stand for in this form