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Varvara68 [4.7K]
3 years ago
9

Find the surface area of the triangular prism shown below.

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0

Answer:

136 units²

Step-by-step explanation:

The surface area (SA) is calculated as

SA = area of base + area of 2 congruent sloping faces + area of 2 triangular ends

area of base = 6 × 7 = 42 units²

area of sloping faces = 2 (7 × 5) = 2 × 35 = 70 units²

area of triangular faces = 2 × \frac{1}{2} × 6 × 4 = 6 × 4 = 24 units²

SA = 42 + 70 + 24 = 136 units²

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