1.

Find the surface area of the triangular prism shown below.

Answer»

Answer:

124.84

Step-by-step explanation:

A = AH + BH + CH + 1/2×√( ﹣a^4 ﹣ b^4 ﹣ c^4+ 2(AB)² + 2(ac)² + 2(BC)² ) =4×7+5×7+6×7+ 1/2×√(-4^4 - 5^4 - 6^4 + 2(4×5)² + 2(4×6)² + 2(5×6)² )

≈ 124.84313



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