Question: What is the area of an equilateral triangle with a side length of 4 cm?

Options:

1. 4√3 cm²
2. 8 cm²
3. 4 cm²
4. 16 cm²

Correct Answer: 4√3 cm²

Solution:

Area = (√3/4)s² = (√3/4)(4)² = (√3/4)(16) = 4√3 cm².