Question:
Mark (✓) against the correct answer:
The dimensions of a cuboid are 8 m 6 m 4 m. Its lateral surface area is
(a) 210 m2
(b) 105 m2
(c) 160 m2
(d) 240 m2
Solution:
Lateral surface area $=2((l+b) \times h)=2((8+6) \times 4)=2(56)=112 \mathrm{~m}^{2}$
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