SOLUTION: find the value of x as it relates to each rectangle or triangle. area = 20in, base=x, height=x+3

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Question 940998: find the value of x as it relates to each rectangle or triangle. area = 20in, base=x, height=x+3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming this is a triangle (?).
A=%281%2F2%29bh
20=%281%2F2%29x%28x%2B3%29
x%28x%2B3%29=40
x%5E2%2B3x-40=0
%28x%2B8%29%28x-5%29=0
Only positive lengths make sense in this problem.
x-5=0
x=5