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2/4, find the surface area

2/4, find the surface area-example-1

1 Answer

6 votes

Answer:

144 un^2

Explanation:

Base: 4 × 11 = 44

Left-most face: 3 × 11 = 33

Top face: 5 × 11 = 55

Triangular faces: 3 × 4 = 12

Add: 44 + 33 + 55 + 12 = 144

User Stefan Negele
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