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Julli [10]
3 years ago
11

Find the surface area of the triangular prism.

Mathematics
1 answer:
alisha [4.7K]3 years ago
6 0

Answer:

169 cm^{2}

Step-by-step explanation:

Surface area (SA) = 2B + PH

                       SA = 2 (\frac{1}{2} x 9 x 6) + (7+7+9) 5

                             = 2 (27) + (23) 5

                             = 54 + 115

                        SA = 169 cm^{2}

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