SOLUTION: The area of a triangle is 77 square meters. The altitude of the triangle is 3 meters longer than the base of the triangle. Find the base and the altitude of the triangle.

Question 818557: The area of a triangle is 77 square meters. The altitude of the triangle is 3 meters longer than the base of the triangle. Find the base and the altitude of the triangle.
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
Let a = altitude.
Let b = base.

Area,

Can this be factored? If not use general solution to quadratic formula.
(For checking factorability, look at 154=77*2=7*11*2; would 14 and 11 work for this?)

LOOK:
You want the positive solution for b.

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