- A1:2
- B√2:1
- C2:1
- D4:1
Step-by-Step Solution
The circle through the corners has the square's diagonal 20√2 cm as its diameter, so its radius is 10√2 cm and its area is 200π . The circle touching the sides has radius 10 cm and area 100π . Ratio = 200π : 100π = 2 : 1.
Answer: C) 2:1