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What is the surface area of the prism? A. 192 in2 B. 180 in2 C. 120 in2 D. 204 in2 http://static.k12.com/calms_media/media/1299500_1300000/1299600/1/414f45faedb7eab739c532bcad89beb0a9169582/143842.jpg
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@nikato
have you tried doing it yet?
Yes, I tried it while we were doing the other problem... I got a totally different answer from any of them.....
an easier way of finding surface are is first find the perimeter of the base then multiply that by the height of the prism(later surface area) then add the area of the 2 bases to get the total surface area
you can start by fidning the area of the two triangles
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so it would be SA=((5+5+8) x 10)+ 2(8 x 3/2)
So 204?
yes good job
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