Answer:
The height of the sign is 6 feet.
Explanation:
Area of triangle is base times height divided by 2 ( b x h ÷ 2 ), so we just rearrange that.
A =
36 = 12 x h ÷ 2
36 x 2 = 12 x h
72 = 12 x h
72 ÷ 12 = h
6 = h
h = 6
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