And if the area of a circle is known then the formula for radius is the square root of the area divided by pi. How do you find the radius and diameter of a circle? Measure the length from the center of a circle to a point on the boundary of a circle. That measure will give the...
Find the radius of a circle whose area equals the area of a rectangle that measures 2 feet by 11 feet (use {eq}\pi = \frac{22}{7} {/eq}). The Area of a Circle: The area of a circle of radius {eq}R{/eq} is given as {eq}A=...
The parallel sides of a trapezium are 48 cm, 40 cm, and the distance between them is 14 cm. Find the radius of a circle whose area is equal to the area of the trapezium. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class...
How do you find the radius of a circle with the equation x^2 + y^2 + 4x - 8y + 13 = 0? Find the radius of the given circle. Find the radius of circle if the center is at (1,2) and the point (-3,4) lies on the circle. ...
To find the area of a circle, you take pi times the radius squared, or A = pi r^2. Using this formula, you can find the area of a circle if you know the radius -- or the diameter -- by plugging in your values and solving for A. Pi is approximated as 3.
Click here:point_up_2:to get an answer to your question :writing_hand:find the radius of a circle in cm whose area is 154 cm2
<p>To solve the problem step by step, we will find the radius of a circle whose area is double that of a given circle with a radius of 14 cm.</p><p><strong>Step 1: Calculate the area of the first circle</strong> The area \( A \) of a circle is given by t
定义一个circle类,属性有radius方法有findarea()得到面积,创建半径为5和4的圆并输出相应的圆的面积 相关知识点: 试题来源: 解析 public class Wb { double i = 5.0; double findArea() { return radius*radiu*3.14159; } public static void main(string []args) { TeastCircle myCircle = new TeastCircle...
times of its circumstance, find the radius of this circle. 若一圆形的面积是周界的7倍,求该圆形的半径.相关知识点: 试题来源: 解析 14. 结果一 题目 【题目】If the area of a circle is 7 times ofits circumstance, find the radius of this circle若一圆形的面积是周界的7倍,求该圆形的半径 答案...
Diameter of a Circle | Definition, Formula & Examples from Chapter 14/ Lesson 6 172K What is the diameter of a circle? Learn the formula, and see examples of how to find the diameter of a circle using the radius, circumference, or area. ...