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Mathematics 9 Online
OpenStudy (anonymous):

medals for best answer

OpenStudy (anonymous):

What is the volume of the composite figure? A three-dimensional composite figure consists of a rectangular prism and a rectangular base pyramid stacked on top of the prism. The prism has length of three yards, width of two yards, and height of four yards. The height of the pyramid is two yards. twelve cubic yards twenty-eight cubic yards thirty-six cubic yards fifty-six cubic yards

OpenStudy (whpalmer4):

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OpenStudy (whpalmer4):

Draw a picture or post a screenshot or download and upload.

OpenStudy (whpalmer4):

Volume of the rectangular prism is just \[V = l*w*h\]Plug in the values you know: \[l = 3, w = 2, h = 4\]\[V_{prism} = 3*2*4 = 24 \text{ cubic yards}\]That already rules out one possible answer.

OpenStudy (anonymous):

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OpenStudy (anonymous):

its a 3d shape

OpenStudy (anonymous):

can u help

OpenStudy (whpalmer4):

Volume of a rectangular pyramid is \[V = \frac{1}{3}Ah\]where \(A\) is the area of the base, and \(h\) is the height. We know \(h=2\) here.

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