SOLUTION: find the base and height of the triangle if its area is 42cm^2 b= 2x+6 h= x+2

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Question 863406: find the base and height of the triangle if its area is 42cm^2
b= 2x+6
h= x+2

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
A = =( x+3)(x+2) = 42cm^2
x^2 + 5x -36 = 0
(x +9)(x-4) = 0
x = 4
b = 14
h = 6
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