SOLUTION: The base of a triangle exceeds the height by 5m. If the area is 42 m2, find the length of the base and the height of the triangle

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Question 447176: The base of a triangle exceeds the height by 5m. If the area is 42 m2, find the length of the base and the height of the triangle
Answer by poliphob3.14(115) About Me  (Show Source):
You can put this solution on YOUR website!
Let the base = x m, then the height will be: x-5 m. Since the are is 42 m, substituting in the area formulaA=b%2Ah%2F2 we get:
42=x%28x-5%29%2F2, set the equation to zero:x%5E2-5x-84=0, solving the equation find x=12+m
Answer:The base of triangle is 12 m.