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) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

A = %281%2F2%29%282x%2B6%29%28x%2B2%29 =( x+3)(x+2) = 42cm^2

                        x^2 + 5x -36 = 0

                       (x +9)(x-4) = 0

                              x = 4

b = 14

h = 6