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Tamiku [17]
3 years ago
6

Given the net of the rectangular prism, what is its surface area?

Mathematics
1 answer:
Llana [10]3 years ago
5 0

Answer:

<h2>S.A. = 66m²</h2>

Step-by-step explanation:

Look at the picture.

We have :

4 rectangles 3m × 4m → A₁ = 3 · 4 = 12 m²

2 rectangles 3m × 3m → A₂ = 3 · 3 = 9 m²

Therefore the Surface Area of the rectangular prism is:

S.A. = 4A₁ + 2A₂

Substitute:

S.A. = 4(12) + 2(9) = 48 + 18 = 66

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