Answer:
a = 132 ft^2
Explanation:
Area of triangle
a = (1/2)bh
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Base
a = (1/2)(8)(6)
a = 24 ft^2
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Each side
a= (1/2)*(8)(9)
a = 36
All three sides
a = 36 * 3
a = 108 ft^2
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Total area
a = 24 + 108
a = 132 ft^2