Answer:
The height of the sign is 6 feet.
Step-by-step explanation:
Area of triangle is base times height divided by 2 ( b x h ÷ 2 ), so we just rearrange that.
A = [tex]\frac{bh}{2}[/tex]
36 = 12 x h ÷ 2
36 x 2 = 12 x h
72 = 12 x h
72 ÷ 12 = h
6 = h
h = 6
