Answer:
a. 46m²
Explanation:
To find surface area, we must calculate each of the rectangular prism's faces and add them.
1 × 5 = 5
3 × 5 = 15
1 × 3 = 3
5 + 5 + 15 + 15 +3 + 3 = 46
a. 46 m²
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