If the area of a circle is 36π square centimeters, what is the radius of the circle? The formula for the area of a circle is A = πr². A. 6 centimeters B. 8 centimeters C. 4 centimeters D. 10 centimeters 相关知识点:
Radius Formula from Circumference Theperimeterof a circle is called its circumference. It is the boundary of a circle and can be expressed by the formula: C = 2πr. Here, C is the circumference, r is the radius of the circle, and π is the constant which is equal to 3.14159.The radi...
Calculating the total area of your pizza is easy with the right formula. Maksim Denisenko/Shutterstock Use the following formula to calculate circle area: A = πr². Simply square the length of the radius (r), then multiply that number by pi (π). Let's clarify a few things. A cir...
The circumference is defined as the linear distance around a circle. The diameter of a circle is the distance from the circle through the circle's center to the circle on the opposite side. The radius of a circle is half of its diameter. Answer and...
What is the formula for calculating the area of a circle? The formula for calculating the area of a circle is πr^2, where r is the radius. 用what感叹句造句 用what 感叹句造句 1. What a beautiful sunset! The sky was painted with shades of pink, orange, and purple, creating a breath...
A. diameter B. radius C. circumference D. area 相关知识点: 试题来源: 解析 B。本题考查圆的面积公式中各个字母的含义。'r'在圆的面积公式 A = πr²中代表半径(radius)。A 选项 diameter 是直径;C 选项 circumference 是周长;D 选项 area 是面积。反馈...
Half of the diameter D. Double of the diameter 相关知识点: 试题来源: 解析 C。在计算圆的面积公式中,“radius”指“半径”,即直径的一半,选项 A“Diameter”指“直径”,选项 B“Circumference”指“周长”,选项 D“Double of the diameter”指“直径的两倍”,均不符合“radius”的意思。反馈 收藏 ...
What is the radius of convergence,Rfor the functionf(x)=1(7+x)3. The radius of a Function: We can find a radius of a given function either by using the formula of the radius of convergence of a power series or by expanding the series around a disc of convergence wh...
The correct answer is: D) Area = π * r²ExplanationThe formula for calculating the area of a circle is: Area = π * r²Where "Area" is the circle's area.(pi) is a Mathematical constant with an approximate value of 3.14159. r is the radius of the circle, which is the ...
The article offers information on the radius of a circle. It presents the quadratic formula of a circle which gives one the option on which to reject since the other one is positive. It notes that not all integral values will yield a positive integral value for the radius. Also, an ...