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09-05-2016
Mathematics

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Use the net to find the surface area of the regular pyramid.

Use the net to find the surface area of the regular pyramid class=

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09-05-2016

regular pyramid

area of triangle=1/2bh
we find the areas of each
area of base=15.6

area of each outer triangle=1/2 times 6 times 7=21
3 of them
3*21=63
add them together
63+15.6=78.6
total area aka SA=78,6 ft^2

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