SOLUTION: the base of a triangle is 6cm more than the height. if the area of the triangle is 140 sq feet what is the base?

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Question 334864: the base of a triangle is 6cm more than the height. if the area of the triangle is 140 sq feet what is the base?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a triangle is,
A=%281%2F2%29bh=%281%2F2%29%28h%2B6%29h=140
I'm assuming you meant 140 sq. cm. and not 140 sq. feet.
.
.
.
h%5E2%2B6h=280
h%5E2%2B6h-280=0
%28h-14%29%28h%2B20%29=0
Only positive h results make sense here,
h-14=0
h=14cm
b=14%2B6
b=20cm