area of a circle英语 标准发音:area of a circle 英式发音: 美式发音: 翻译中文 圆的面积 area of a circle - 基本释义[词典1] 圆的面积 圆面积 area of a circle - WEB词典 area of a circle 圆面积 圆的面积 area formula of a circle 圆面积公式 参考资料: 1.百度翻译:area of a circle 2....
(half of circle = half of area) Quarter-Circle (1/4 of circle = 1/4 of area)Any Sector (fractional part of the area)where n is the number of degrees in the central angle of the sector.where C S is the arc length of the sector.Notice that when finding the area of a sector,...
The area of a circle with a radius of 5 cm is ___. A. 25π cm² B. 10π cm² C. 5π cm² D. 75π cm² 相关知识点: 试题来源: 解析 A。本题考查圆的面积计算公式,圆的面积 = π×半径²。半径为 5cm,所以面积为 25π cm²。选项 B 计算错误,应为 25π cm...
1. 圆面积 数学词汇英语翻译(A-E) ... area function 面积函数area of a circle圆面积area preserving mapping 保面积映射 ... www.zftrans.com|基于20个网页 2. 圆的面积 数学名次的英文表示_狄少华吧... ... area method 面积法area of a circle圆的面积area of a planar figure 平面图形的面积 .....
百度试题 结果1 题目If the area of a circle is 39π in., what is the radius of the circle to the nearest tenth? A: 12.5 in. B: 12.4 in. C: 6.2 in. D: 39 in. 相关知识点: 试题来源: 解析 C 6.2in. 反馈 收藏
每日英语:《Area of a circle》 我说:僵尸先生,你知道怎么计算圆的面积? I said:Mr. Zombie, do you know how to calculate the area of a circle? 他说:不知道。 He said:I don't know. 我说:圆周率*...
The area of a circle is 36π square meters. What's the radius of the circle? A. 6 meters B. 8 meters C. 10 meters D. 12 meters 相关知识点: 试题来源: 解析 A。本题考查圆的面积公式。圆的面积公式是πr²,已知面积是 36π,那么 r²=36,r=6,所以答案是 A。B 选项不是圆半径...
A = πr² = 3.14 × 2² = 3.14 × 4 = 12.56 Why is pi used to find the area of a circle? Pi is used to find the area of a circle because it is simply a naturally occurring number in nature that humans discovered when first deriving the formula to calculate the area of a ...
Definitionof Circle: A circle is the collection of all the points in a plane whose distance from a fixed point is always the same. The fixed point is called the centre of the circle and the boundary of the circle is called the circumference of the circle. ...
The circumference of a circle definition is the boundary of the circle, denoted by 2𝜋r, where r is the radius of the circle. Therefore, C = 2𝜋r. Taking out the value of r from here and putting in the area of the circle formula, we get,...