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21-04-2022
Mathematics

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Find the surface area of the prism. Write your answer as a decimal.
13.5 in.
9 in.
9 in
10 in.

Find the surface area of the prism Write your answer as a decimal 135 in 9 in 9 in 10 in class=

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21-04-2022

Answer:

360 in²

Step-by-step explanation:

Total SA = 2 triangles + 3 squares

Triangles:

A = bh/2

A = (9 · 10)/2

A = 90/2

45 in²

Squares:

A = bh

A = (9)(10)

90 in²

Total SA: 2(45) + 3(90)

Total SA: 360 in²

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