Homework Help: math

Posted by zach on Tuesday, February 14, 2012 at 7:20pm.

The perimeter of rectangle ABCD is 256 inches. It's length is 3 times as long as its width. Find the area of triangle ABC.

math - Reiny, Tuesday, February 14, 2012 at 7:29pm
width --- x
length --- 3x

2(x+3x) = 256
8x = 256
x = 32

width = 32
length = 96
Area = 32(96) = 3072

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