SOLUTION: the base of a triangle is 6 cm greater than the height. The area is 20cm^2. Find the height and the length of the base?

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Question 339856: the base of a triangle is 6 cm greater than the height. The area is 20cm^2. Find the height and the length of the base?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%281%2F2%29bh
%281%2F2%29%28h%2B6%29h=20
h%5E2%2B6h=40
h%5E2%2B6h-40=0
%28h%2B10%29%28h-4%29=0
Only positive solutions make sense here.
h-4=0
highlight%28h=4%29cm
.
.
.
b=4%2B6
highlight%28b=10%29cm