SOLUTION: the base of a certain triangle is 5 cm longer than the altitude, and the area is 42cm squared. FInd the length of the base

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Question 1117752: the base of a certain triangle is 5 cm longer than the altitude, and the area is 42cm squared. FInd the length of the base
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Base, a+5
Altitude, a
Area, 42=%281%2F2%29%28a%2B5%29%2Aa


OR


Base, y
Altitude, y-5
Area, 42=%281%2F2%29%2Ay%28y-5%29--------solve this for y.