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

Answer 1

Lateral surface area $=2\left(\left(l+b\right)\times h\right)=2\left(\left(8+6\right)\times 4\right)=2\left(56\right)=112{\mathrm{m}}^2$