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Using the net below, find the surface area

of the triangular prism.
4 cm
3 cm
6 cm
4 cm
6 cm
3 cm
5 cm
4 cm
Surface Area = [?] cm2

Using the net below, find the surface area of the triangular prism. 4 cm 3 cm 6 cm-example-1

1 Answer

11 votes
The surface area is all the sides areas added up

The area of the triangle is 1/2bh or 1/2(4)(3)
= 6
The area if the middle rectangle is bh or (3)(6)
= 18
The area of the other rectangle is bh or (5)(6)
= 30

6+6+18+30+30=90cm^2

Hope this helps :)
User Gulliver
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