What is the surface area?
10 yd
12 yd
10 yd
10 yd
8 yd
square yards

The surface area of the given triangular prism is: 416 yd²
Surface area of triangular prism = (S1 +S2 + S3)L + bh
Given the following:
Plug in the values into (S1 +S2 + S3)L + bh:
Surface area of triangular prism = (10 + 10 + 12)10 + (12)(8)
Surface area of triangular prism = 416 yd²
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