SOLUTION: Find the dimensions of the triangle that has the given area (x+3)ft (x+6)ft Area: 119 sq.ft.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the dimensions of the triangle that has the given area (x+3)ft (x+6)ft Area: 119 sq.ft.      Log On


   

Question 1025827: Find the dimensions of the triangle that has the given area
(x+3)ft
(x+6)ft
Area: 119 sq.ft.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming (x+3) and (x+6) are the base and height of the triangle (?).
A=%28bh%29%2F2
%28x%2B3%29%28x%2B6%29=2%28119%29
x%5E2%2B9x%2B18=238
x%5E2%2B9x-220=0
%28x%2B20%29%28x-11%29=0
Only the positive solution makes sense here,
x-11=0
x=11
So then,
x%2B3=14
and
x%2B6=17