解析 C。选项 A 是数学符号表达,不是英语表达。选项 B“pie”拼写错误,应该是“pi”,且“square”缺少动词形式。选项 C 表达正确,“times”表示“乘以”,“squared”是“平方”的正确表达。选项 D“the square of pi r”表达不准确,应该是圆半径的平方乘以圆周率。
In mathematics, the formula for the area of a circle is pi times the radius squared. If the radius of a circle is 4 centimeters, what is the area? A. 16 pi square centimeters B. 12 pi square centimeters C. 18 pi square centimeters D. 14 pi square centimeters ...
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...
结果1 题目 The formula for the circumference of a circle is C = 2πr. If the radius of a circle is 5 cm, what is the circumference? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。周长 C = 2π×5 = 10π cm。 反馈 收藏 ...
The formula for the circumference of a circle is C = 2πr, where r is the ___.,本题来源于数学英语会考试题及答案
Ⅲ.根据汉语意思完成句子8.这个公式被用来计算圆的面积。This formulathe area of a circle.Ⅲ。根据汉语意思完成句子8.这个公式被用来计算圆的面积。This formula__the area of a circle。 相关知识点: 试题来源: 解析 8.is used to-|||-calculate优质解答 ...
The formula for finding the area of a circle is A = πd²/4, where d is the ___. A. radius B. diameter C. circumference D. perimeter 相关知识点: 试题来源: 解析 B。本题考查圆的面积公式中直径的作用。在这个公式中,d 表示直径。反馈...
The formula for calculating the circumference of a circle is ___. A. C = πr B. C = 2r C. C = 2πr D. C = r² 相关知识点: 试题来源: 解析 C。解析:文章中提到 The circumference of a circle is calculated by using the formula C = 2πr.反馈 收藏 ...
In the math class, we need to calculate the area of a circle. The formula for the area of a circle is A = ___. A. 切制至切制至πr²切制至切制至 B. 包音始手调专几个派论矿包音始手调专几个派论矿2πr包音始手调专几个派论矿包音始手调专几个派论矿 C. 这始决万统技运...
The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.