1. Simplify the expression. 3[(11–6)2+5] A 5 B 3 C 15 D 6
1 answer:
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<u>Answer:</u>
- 166 units²
<u>Step-by-step explanation:</u>
<u>We know that:</u>
- W = 7
- L = 5
- H = 4
<u>Surface area is the area of the faces of the cuboid.</u>
<u>Work:</u>
- => 2(7 x 4) + 2(5 x 4) + 2(5 x 7)
- => 2(28) + 2(20) + 2(35)
- => 56 + 40 + 70
- => 166 units²
Hence, <u>Option C is correct.</u>
Hoped this helped.
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