百度试题 结果1 题目 What is the area of a circle whose radius is the diagonal of a square whose area is 4? A. 2π B. 2π C. 4π D. 8π E. 16π 相关知识点: 试题来源: 解析 D 反馈 收藏
What is the area of a circle whose radius is the diagonal of a square whose area... 返回 1234567891011121314 What is the area of a circle whose radius is the diagonal of a square whose area is 4? A.2π B.2π2–√2π2 C.4π D.8π E.16π 我的答案: 登录查看答案...
Use the this circle area calculator below to find the area of a circle given its circumference, or other parameters. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. You can also see at the bottom of the calculator, ...
Circles are the two-dimensional shapes in which a central point contains a fixed distance from a round closed path and, this distance is uttered as the radius of the circle. The area of a circle is basically the space coverage by the circle on a plane. ...
253K Discover how to find the area and circumference of a circle. Learn the area of a circle formula, the circumference of a circle formula, how to calculate the circumference of a circle, and how to calculate the area of a circle. Related...
A circle has a diameter of 12 cm. What is the area of the circle? A. 12π cm² B. 24π cm² C. 36π cm² D. 48π cm² 相关知识点: 试题来源: 解析 C。圆的面积公式为πr²,直径是 12cm,半径就是 6cm,面积为π×6²=36πcm²,A 选项结果错误,B 选项结果错误,D ...
What is the area of a circle whose circumference is 1047.2 metres (a) 69843.23 sq. m (b) 78621.47 sq. m (c) 79943.82 sq. m (d) 85142.28 sq.
A circle has a diameter of 10 cm. What's the area of the circle? A. 25π cm² B. 30π cm² C. 35π cm² D. 40π cm² 相关知识点: 试题来源: 解析 A。解析:圆的面积等于πr²,直径是 10 厘米,半径是 5 厘米,π×5²=25π 平方厘米。选项 B30π平方厘米错误,选项 C35...
Are = pi R2 = pi (D/2)2 = pi (36)2 = 1,296 pi =4,071.504square units (rounded) Wiki User ∙14yago This answer is: Add your answer: Earn +20pts Q:What is the area of a circle with a diameter of 72? Write your answer... ...
Updated:4/28/2022 Wiki User ∙14yago Best Answer Copy 706.86 square units. Wiki User ∙14yago This answer is: Add your answer: Earn +20pts Q:What is the area of a circle with a radius of 15? Write your answer... Submit