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Find the surface area of the prism

Find the surface area of the prism-example-1

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Answer:

510 ft^2.

Explanation:

The surface area = area of 3 rectangles + 2 triangles

= 15*13 + 15*5 + 12*15 + 2 * 1/2 * 5 * 12

= 195 + 75 + 180 + 60

= 510 ft^2.

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