In geometry, circumference represents the distance that one has to walk around a circular shape. This distance (circumference) is calculated it as {eq}C=2\pi r {/eq}, with {eq}r {/eq} being the radius of the circle.Answer and Explanation: ...
A circle has a circumference of 16π cm.what is its area? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 举报 圆的周长为16π 厘米,其面积是多少?解得半径为8cm,所以面积为64π cm^3 解析看不懂?免费查看同类题视频解析查看解答
圆周长16π 厘米，其范围是什么？
A circular garden has an area of 49π square meters. What is its circumference? A. 7π meters B. 14π meters C. 21π meters D. 28π meters 相关知识点: 试题来源: 解析 B。解析:圆的面积公式为πr²,已知面积为 49π,可得πr² = 49π,解得 r = 7m,圆的周长公式为 2πr,所以...
Given that a circle is inscribed around a rectangle with sides7cmand24cm. So $$\begin{align} L &= 7 \rm ~cm ... Learn more about this topic: Finding the Area & Circumference of a Circle from Chapter 14/ Lesson 5 251K Discover how to find the area a...
Here is the answer to questions like: how to find the perimeter of a circle with diameter 3.93 meters? Circle Calculator CircumferenceArea Inputs: Radius (r):or Diameter (d):or Area (A): Unit of Lenght:inchfootyardmilemillimetercentimetermeterkilometer ...
Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with radius 42 is 263.9(*) Formulas: r = 42 d = 84 C = 264 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of the circle C = circumference or per...
A circular tub has a band painted around its circumference, as shown above. What is the surface area of this painted band? (1)x = 0.5 (2)The height of the tub is 1 meter. 选项: 答案: E
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The area of a circle with a circumference of 9.42 inches is7.061 square inches. Wiki User ∙14yago This answer is: Add your answer: Earn +20pts Q:What is the area of a circle with a circumference of 9.42 inches? Write your answer... ...