SOLUTION: the base and height of a triangle are x+3 and 2x .if area of the triangle is 18cm^2 find x, length and height.

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Question 256428: the base and height of a triangle are x+3 and 2x .if area of the triangle is 18cm^2 find x, length and height.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/2*(x+3)*2x=18
x=3
base x+3=6
height 2x=6