Question: What is the surface area of a cylinder with radius 3 cm and height 5 cm?

Options:

1. 54π cm²
2. 30π cm²
3. 36π cm²
4. 18π cm²

Correct Answer: 54π cm²

Solution:

Surface Area = 2πr(h + r) = 2π × 3 cm × (5 cm + 3 cm) = 54π cm².