If a circle has area 32pi ft squared, then a 135 degree sector of the circle has area
Favorites|Homepage
Subscriptions | sitemap
HOME > Mathematics > If a circle has area 32pi ft squared, then a 135 degree sector of the circle has area

If a circle has area 32pi ft squared, then a 135 degree sector of the circle has area

[From: ] [author: ] [Date: 11-06-05] [Hit: ]
......
HELP!

-
pi*r^2 = 32pi

r^2 = 32

r = sqrt(32)

A = .5*(( sqrt(32) )^2)*(135/180)

A = 12

The area of the sector is 12 square feet.

-
135/360 = 3/8 so divide 32pi by 8 getting 4pi, then multiply by 3 getting an answer of 12pi square feet.

-
(135/360) * 32 = 12sq.ft
1
keywords: of,ft,squared,pi,If,area,32,degree,has,circle,135,the,sector,then,If a circle has area 32pi ft squared, then a 135 degree sector of the circle has area
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .