garage is constructed as a rectangular prism with a roof that is a pyramid. The rectangular prism is 42 feet long, 20 feet wide, and 9 feet . The pyramid is 3 feet tall. What the total volume of the garage? 7,560 ft^3 8,820 ft^3 10,920 ft^3 8,400^

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A: Follow the procedure given below.

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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A:

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Q: Calculate the volume of the regular tetrahedron in the figure knowing that its edge AB=1Ocm.…

A: Given data: edge AB= a= 10 cm