SOLUTION: this is my problem: if the dimensions of a 3-4-5 right triangle is increased 50 percent by what percentage is the area incresed? how do i figure it out?

Question 415593: this is my problem: if the dimensions of a 3-4-5 right triangle is increased 50 percent by what percentage is the area incresed?
how do i figure it out?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
this is my problem: if the dimensions of a 3-4-5 right triangle is increased 50 percent by what percentage is the area incresed?
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Area of the 3-4-5 is (1/2)*3*4 = 6 sq. units
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New area: (3+1.5)(4+2) = 4.5*6 = 27 sq units
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%age ?
Quantity increase 27-6 = 21
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% increase: 21/6 = 7/2 = 3.5 = 350%
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Cheers,
Stan H.
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