SOLUTION: If the base of the rectangle is increased by 30% and the altitude is decreased by 20%, the area is increased by ????
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Question 1046776: If the base of the rectangle is increased by 30% and the altitude is decreased by 20%, the area is increased by ???? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website!
A = 1/2 bh
A' = (1/2)(1.30b)((1.20h)
A' = (1/2)(1.56)bh
A' = (1.56) [(1/2)bh]
A' = 1.56A
the area is increased by 56%
