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Anika [276]
4 years ago
6

Find the surface area of the prism.

Mathematics
1 answer:
Marrrta [24]4 years ago
6 0

Answer:

290 in²

Step-by-step explanation:

The surface area of a prism is found using the following formula: SA = 2(lh+lb+bh). This formula takes the area of each face (6 in total( and adds them together to find a total sum. Substitute l = 3, b = 8 and h = 11 to solve for the surface area.

SA = 2(lh+lb+bh)

SA = 2(3*11+3*8+8*11)

SA = 2(33 + 24 + 88)

SA = 2(145)

SA = 290

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