How to find the circumference of any a circle given its radius. The circumference of a circle with radius of 5 is equal to 31.42. See the solution steps here.
A circle has a radius of 5 cm. What's the circumference of the circle? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。本题考查圆的周长计算。圆的周长等于 2πr,半径为 5cm,所以周长是 2×π×5 = 10πcm。A 选项少乘了 2;B 选项计算错误;D ...
A circle has a radius of 5 cm. What is the circumference of the circle? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。本题考查圆的周长计算。圆的周长等于 2πr,半径是 5 厘米,周长就是 2×π×5=10π 厘米。选项 A10π 厘米错误,选项 B15π ...
Answer:The circumference of the circle is 8π≈ 25.163 inches. Example: Find the circumference of the circle with a radius of 5 inches. Solution: Step 1:Write down the formula:C= 2πr Step 2:Plug in the value:C= 10π Answer:The circumference of the circle is 10π≈ 31.42 inches. ...
A circle is a planner geometry that is a locus of all points on the plane that has the same distance from a point at the fixed spot. This constant distance is termed as the radius and the fixed point is known as the center of the circle. ...
Radius (r): or Diameter (d): or Area (A): Unit of Lenght: Calculate Circumference Result: The circumference of a circle with radius 58 is 364.4(*) Formulas: r = 58 d = 116 C = 364 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of...
The circle has a ___ of 5 cm. A. diameter B. radius C. circumference D. area 相关知识点: 试题来源: 解析 B。本题考查圆的相关英语表述。选项 A“diameter”是直径;选项 C“circumference”是周长;选项 D“area”是面积。“radius”是半径的意思,这个圆的半径是 5 厘米。反馈...
百度试题 结果1 题目【题目】3. Find thecircumference of acircle with a radius of10 ft. Round to thenearest hundredth. 相关知识点: 试题来源: 解析 【解析】radius=10fta'cocotθnc=2πr=2元(10)=62.83+t 反馈 收藏
Circumference length formula in terms of area C = √4·π·A Questions this calculator can answer: How to find the perimeter of a circle with a radius of 6.56 mm? A circle has a diameter of 13.12 mm. What is its circumference?
Circumference of a Circle Formula The Circumference (or) perimeter of circle = 2πR where, R is the radius of the circle π is the mathematical constant with an approximate (up to two decimal points) value of 3.14 Again, Pi (π) is a special mathematical constant; it is the ratio of ...