lakinny101
New member
The area of the base is 20 square feet. The height is 11 feet.If one side of the regular pentagon is 1 foot, what is the surface are of the pentagonal prism?
7th grade Pre-algebra question?!?
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HeyIt'sJulia!
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for all prisms the surface area is 2B+P(h)....sooo, 2(20) + 5(11) = 40 + 55 = 95!