lily931 lily931

30-04-2022
Mathematics

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Find the surface area of this figure.

Find the surface area of this figure class=

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rrthompson128 rrthompson128

30-04-2022

Answer: 297 in.^2

Step-by-step explanation:

Area of a triangle: b*h/2 ---> (9*12)/2=544 triangles--->4*54(area of triangle)= 216Area of square: b*h ----> 9*9 = 81Add area of all four triangles plus are of square-----> 216+81 = 297 in.^2

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