The formula for calculating the area of a circle is:Area = π * r² Where "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 distance squared (raised to the power of 2) from the circle...
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:
What is the area of a circle with equation x^2 + y^2 - 6x + 8y = 56? Identify the Geometry term described. A part of a circle. What is s i n 11 3 using unit circle? The diameter of a circle is 3x. What is the area of the circle in terms of x?
If we have a circle in a square and r is the radius of the circle and x is the measurement outside the square. What will be the formula to find the area of the whole square using x and r? The area of a circle is given the formula A = 3.14 r , where r is the radius. If ...
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 收藏 ...
So, what is the area formula for a rectangle, a triangle and a circle? Learn how to calculate the area for each using the area formulas in the examples below. How to Calculate the Area of a Rectangle Need to know what size rug to buy? Calculate the area of your rectangular space ...
If you want to find the area of a circle with a radius of 5, what formula should you use? A. A = πr² B. A = 2πr C. A = πd D. A = r² 相关知识点: 试题来源: 解析 A。解析:求圆的面积公式是 A = πr²,B 选项是圆的周长公式;C 选项是圆的周长公式中直径表示;...
Thus, its radius is 3, so plug this value into the formula for the area of a circle:A_((large circle))=π r^2=π(3^2)=9πTo find the shaded area, take the area of the large circle minus the area of seven small circles: 9π- 7π= 2π. Thus, the right answer is (B)....
Here is the answer to questions like: how to find the area of a circle with diameter 51 yard?Circle Calculator Area Circunference Inputs: Radius: or Diameter or Circumference: Unit: Calculate Area Result: The area of a circle with diameter 51 is 2043 Formulae: r = 25.5 d =...
A. Diameter B. Circumference C. 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...