2 years ago

Find the surface area of the triangular prism.

Mathematics

1 answer:

alisha [4.7K]2 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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