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...
A. Diameter B. Circumference C. Center D. The distance from the center to the E. dge of the circle 相关知识点: 试题来源: 解析 D。本题考查圆规使用中的英语词汇“radius”的意思,radius 是半径,即从圆心到圆边缘的距离。A 选项是直径;B 选项是周长;C 选项是圆心。反馈 收藏 ...
达目号那战却家非通却八府整存把种达目号那战却家非通却八府整存把种The diagram shows a circle with a radius of 5 cm. Wha
百度试题 结果1 题目【题目】In a circle with radius 5, an angle intercepts an arc oflength. Find the angle inradians in simplest form. 相关知识点: 试题来源: 解析 【解析】a 反馈 收藏
The area of a circle with a radius of 3 cm is equal to the area of a square. What is the side length of the square? A. 3 cm B. 3π cm C. 3√π cm D. 9 cm 相关知识点: 试题来源: 解析 C。解析:圆的面积为π×3×3 = 9π平方厘米。设正方形边长为 a,则 a×a = 9π,...
The area of a circle with a radius of 3 cm is ___ square centimeters. A. 3π B. 6π C. 9π D. 12π 相关知识点: 试题来源: 解析 C。本题考查圆的面积公式。半径为 3 cm 的圆的面积是 A = πr² = π×3² = 9π 平方厘米。反馈 收藏 ...
结果1 题目 In a circle with a radius of 2.5centimeters, a central angle has a measure of 5radians. What is the length, in centimeters, of the arc intercepted by the central angle? 相关知识点: 试题来源: 解析 12.5cm 12.5cm 反馈 收藏 ...
How to find the perimeter of a circle with a radius of 2.5 mm? A circle has a diameter of 5 mm. What is its circumference? If a circle has a area of 19.63 square millimeters. What is its perimeter? Disclaimer While every effort is made to ensure the accuracy of the info...
解析 五、1.直角三角形有一一个角是90度。2. 找出半径为8厘米的圆。 结果一 题目 2. Find a circle with a radius of 8 centimeters. 答案 五、1.直角三角形有一一个角是90度。2. 找出半径为8厘米的圆。相关推荐 12. Find a circle with a radius of 8 centimeters....
As in the figure,there are four circle with radius of 2.The four circles are apart from each other.Link their centers to form a quadrilateral,then the total area of the shaded parts in the figure is( ) A. 2π B. 4π C. 6π D. 8π 相关知识点: 试题来源: 解析 解:∵四边形...