Posted by **scott** on Thursday, March 31, 2011 at 10:25am.

use n equals 22 over 7 find the area of a circle with a radius of 7

- math -
**Jai**, Thursday, March 31, 2011 at 10:35am
that 'n' is actually the Greek letter π which is equal to 3.1416... but since in the problem π = 22/7 , we use this value.

recall that the area of a circle is given by

A = π*r^2

where

r = radius

substituting,

A = π*(7^2)

A = (22/7)(49)

A = 22*7

A = 154 square units

hope this helps~ :)

## Answer this Question

## Related Questions

- 8th grade math - The radius of circle M is 3 times the radius of circle P. If ...
- calc - Given X^2 + Y^2 = R^2, namely, a circle with center (0,0) and radius R, ...
- math - Find the area of the partial circle, use 22/7 for pi. 1.) radius = 27 cm ...
- Maths - 1. In the xy-coordinate plane, point A is the midpoint of the segment ...
- Geometery - How do I solve this? On my assignment it says find the area inside ...
- math - The area of a circle is given by the formula A = ğr2, where r is the ...
- algebra 1 - a high school wrestling mat must be square with 38-foot sides and ...
- algebra 1...urgent - a high school wrestling mat must be square with 38-foot ...
- math - If the area of a circle is twice the area of a triangle whose base is 4 ...
- math - If the area of a circle is twice the area of a triangle whose base is 4 ...

More Related Questions