Question: What is the perimeter of an equilateral triangle with a side length of 6 cm?

Options:

1. 12 cm
2. 18 cm
3. 24 cm
4. 30 cm

Correct Answer: 18 cm

Solution:

The perimeter of an equilateral triangle is given by P = 3 * side length = 3 * 6 = 18 cm.