Mark (✓) against the correct answer:

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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