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OpenStudy (momo):
The slant height of a regular pentagonal pyramid is 8 cm, and the length of each side of the base is 4 cm. Find the lateral area.
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OpenStudy (anonymous):
LA = (1/2)(perimeter of base)(slant height) LA = (1/2)(2*(4+4))(8) LA = (1/2)(16)(8) LA = 64 cm
OpenStudy (momo):
could that be reduced? because 64 isn't an option for me...
OpenStudy (momo):
here are my options, 32, 60, 80, 160
OpenStudy (anonymous):
Sorry i made a stupid mistake one second
OpenStudy (momo):
oh it's okay :)
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OpenStudy (anonymous):
LA = (1/2)(perimeter)(base length) LA = (1/2)((4+4) * 2)(4) LA = 32
OpenStudy (momo):
thanks!!
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