SOLUTION: A right triangle has a perimeter of 12 and sides x, (x+1), and (x+2). What is the area of the tirangle?

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Question 318206: A right triangle has a perimeter of 12 and sides x, (x+1), and (x+2). What is the area of the tirangle?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%281%2F2%29bh
A=%281%2F2%29x%28x%2B1%29
A=%28x%28x%2B1%29%29%2F2
From the perimeter,
P=x%2Bx%2B1%2Bx%2B2=12
3x%2B3=12
3x=9
x=3
Now back to the area,
A=3%284%29%2F2
highlight%28A=6%29