Bomcmullin41 Bomcmullin41

12-04-2017
Mathematics

contestada

Surface area of a trangular prism with height of 15 a side with 9 and side with 12

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RainbowRoses RainbowRoses

12-04-2017

A tip for doing these question, you should draw the shape out and label the sides, then calculate each side.
TSA (Total Surface Area) = 2(1/2*9*12) + 2(15*12) + 9*15
= 108 + 360 + 135
=603
Remember to add your units!

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