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 ...
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...
分析写作 登录注册 返回 Question 3Selected one answer choice 收藏 笔记 反馈 1234567891011121314151617181920 Inscribed square ABCD has a side length of 4. What is the area of the circle? A.2π B.4π C.6π D.8π E.10π 我的答案:
Circumference is the distance around the circular region and area is the space occupied around the circle. In order to solve for both area and circumference, we need to find the value of its ratio. The circumference is equal to {eq}2\pi r {/eq} and the area is equal...
The circumference of a circle is equal to the side of a square whose area measures 407044 sq. cm. What is the area of the circle (a) 22583.2 sq. cm (b) 32378.5 sq. cm (c) 39483.4 sq. cm (d) 41263.5 sq. cm (e) Cannot be determined ...
百度试题 结果1 题目 A square with side length 10 inches is inscribed inside of a circle. What is the area of the circle? ( ) A. 25√2 π B. 50 π C. 50√2 π D. 100 π 相关知识点: 试题来源: 解析 B 反馈 收藏
The radius of a circle is 3 cm. What is the area of the circle? A. 28.26 cm² B. 18.84 cm² C. 9.42 cm² D. 14.13 cm² 相关知识点: 试题来源: 解析 A。面积 = 3.14×3×3 = 28.26cm²。B 选项 18.84 是圆的周长;C 选项 9.42 计算错误;D 选项 14.13 计算错误。
What is the area of a circle whose circumference is x? A. B. C. D. E. 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析 以上解析由 考满分老师提供。 题目讨论 已经输入 0 个字 标记为提问,会有更多小伙伴帮你解答 提交 全部讨...
Use the this circle area calculator below to find the area of a circle given its radius, 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, the step-...
An equilateral triangle that has an area of 9 3^1/2 is inscribed in a circle. What is the area of the circle? 选项: A、6pi B、9pi C、12 pi D、9pi 3^1/2 E、18pi 3^1/2 答案: C 提问列表 提问 提问: 录音错误,无讲解。恳请老师解答。 解答: 点赞-1 阅读1944 解答: sysadm...