Question 808920
x = h + 4
b = 12
x = sqrt( h^2 + b^2 )
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h + 4 = sqrt( h^2 + 144 )
(h + 4)(h + 4) = h^2 + 144
h^2 + 8h + 16 = h^2 + 144
8h = 128
Answer:
h = 16
x = 20 feet
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