SOLUTION: the height of a triangle is 2 metres longer than its base. If the area of the triangle is 40m^2, find its dimensions.

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Question 827589: the height of a triangle is 2 metres longer than its base. If the area of the triangle is 40m^2, find its dimensions.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x=base
y=height
y=x%2B2
and
%281%2F2%29xy=40
'
%281%2F2%29x%28x%2B2%29=40
x%5E2%2B2x=80
x%5E2%2B2x-80=0
%28x-8%29%28x%2B10%29=0
x=8, the solution that makes sense.

ANSWER: x=8 and y=10