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solid geometry

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Find the surface area and volume of the figure above. Round to the nearest tenth if needed.

Mar 25, 2021

#1
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The top and bottom areas are: $$2 \cdot \frac{7 + 15}{2} \cdot 5 = 110$$ ft2

The back side's area is 9.4 x 11 = 103.4 ft2

The front side is 5 x 11 = 55 ft2

The right side is 15 x 11 = 165 ft2

And finally the left side is 7 x 11 = 77 ft2

This means the surface area is 110 + 103.4 + 55 + 165 + 77 = 510.4 ft2

Let me know if I did anything wrong :)

Mar 25, 2021
#2
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You just need to find the volume also.

Working off what you said, 110*11 is the total volume, totaling, 1210 ft3.

>=)

amathlete  Mar 26, 2021