Answer
Length = 18 in
Corresponding height = 12 in
Work Step by Step
Use the formula for the area of a triangle:
A=$\frac{1}{2}$bh
108=$\frac{1}{2}$(3x)(2x)
216=6$x^{2}$
36=$x^{2}$
6=x
Substitute 6 into the equations for length and height:
l=3(6)=18
h=2(6)=12
