# SOLUTION: # 78 area of a triangle the base of the triangle is 4 inches longer than the height . If its area is 70 square inches , what are the base and the height So far I can say base

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Misc -> SOLUTION: # 78 area of a triangle the base of the triangle is 4 inches longer than the height . If its area is 70 square inches , what are the base and the height So far I can say base       Log On

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 Click here to see ALL problems on Miscellaneous Word Problems Question 151692: # 78 area of a triangle the base of the triangle is 4 inches longer than the height . If its area is 70 square inches , what are the base and the height So far I can say base = height + 4 area = 70 the formula for area of a triangle is A = 1/2 bh 70 = [(h+4)(h)/2] 140=h^2+4h 140= (h+4)(h-0) or should I do h^2 + 4h -140 = 0...(h+14)(h-10)=0 then h=-14 or h=10? Answer by jim_thompson5910(28705)   (Show Source): You can put this solution on YOUR website!You are correct. Remember, a negative height does not make sense. So the only answer is h=10 So this would make the base Check: Start with the given equation. Plug in and . Multiply Reduce Since the area is 70 square units, this verifies the answer.