Question: What is the diameter of a circle with an area of 113.04 cm²?

Options:

1. 12 cm
2. 10 cm
3. 8 cm
4. 6 cm

Correct Answer: 10 cm

Solution:

Area = πr², so r² = Area/π = 113.04/π ≈ 36, thus r ≈ 6 cm, diameter = 12 cm.