Mathematics, 03.09.2020 22:01 supergirl101911

Please help me A triangular pyramid and its net are shown. Rain uses the calculations below to conclude that the surface area of the triangular pyramid is 238.5 square inches. 3 x 10 x 13) + ( x 10 x 8.7) 3 (65) + 43.5 238.5 Is Rain correct? Use the drop-down menus to explain your reasoning.

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Please help me A triangular pyramid and its net are shown. Rain uses the calculations below to conc...