Question: What is the area of a square inscribed in a circle of radius 10 cm?
Options:
Correct Answer: 200 cm²
Solution:
The diagonal of the square is equal to the diameter of the circle, which is 20 cm. Side of the square = diagonal / √2 = 20 cm / √2 = 10√2 cm. Area = (10√2 cm)² = 200 cm².