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Nico Sabena · Answer 1 · 2024-02-17T05:55:41+0000

Area of a triangle = 1/2 b*h
Area of rectangle = l * w
And because a square has 4 congruent sides l = w so
Square = w ^2
9^2 = 81
9*6 = 54
54/2 = 27
27 * 4 triangles = 108
108 + 81 = 189 ft^2

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