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A rectangular pyramid and a rectangular prism have bases of the same dimensions as shown below. http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0700_Subtest_03_15/image0034e5fb4df.jpg The surface area of the rectangular pyramid is 146 square inches. The height of the rectangular prism is the same as the slant height of the pyramid.
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What's the surface area of the rectangular prism?
i could not open the file
ill reatach it
can you draw it?
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@Hero @Jemurray3
find h of the rectangular prism 2x6x7+2x7h+2x6h=146
how?
84+14h+12h=146 26h=62
sorry
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6h+7h+42=146
is it 2.38?
no sorry again 146=26h/2 +42=146 h=8 SA of rectangular prism= 2x6x7+2x6x8+2x7x8 SA=292 sq inches
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