9514 1404 393
Answer:
83.5π ft² ≈ 262.3 square feet
Explanation:
Fido's area is 3/4 of a 10' radius circle plus 1/4 each of a 3' radius and 5' radius circle.
A = (3/4)(π(10 ft)²) +(1/4)(π)((3 ft)² +(5 ft)²)
= (75π +34/4π) ft² = 83.5π ft² ≈ 262.3 square feet