Homework Help: math

Posted by mark on Tuesday, October 31, 2006 at 4:55pm.

the radius of a circle when the numeric values of the circumference and the area are equal

Start with what you know. If you know the formula the area of a circle, and the formula for the circumference of a circle, then you can set them equal to each other...from there you should be able to get the radius!!

set A = pi * r^2 and C= 2*pi*r to eual each otherso u get pi*r^2 = 2*pi*r the pi's cancles and the the r^2 is reduced whuch gives r = 2

Hi! Very nice site! Thanks you very much! 0lXBAdsOqzO

math - Anonymous, Monday, September 10, 2007 at 9:00pm
2

Answer this Question

Related Questions

math - the radius of a circle when the numeric values of the circumference and ...
math - the radius of a circle when the numeric values of the circumference and ...
Algebra - The Circumference and area of a circle of radius r are givin by 2 [pie...
math - I'm asked to find the circumference of a circle to the nearest tenth ...
Geometry-8th gr - The Circumference of a circle is equal to the area of the ...
area of circle - My circle has a radius of 8ft. What is the distance of the ...
MATH HOMEWORK - Find the circle circumference and circle area with a circles ...
triggg - Suppose a circle has a radius of 4.5 inches. If you double the radius ...
Math - The area of a rectangle is shown below The area of the rectangle is 56 ...
Computer Science (Basics) - public class Circumference { /** * @param args */ ...

For Further Reading

First Name:
School Subject:
Answer: