Asked by Makayla
You need to repaint the floor and inside wall of your circular swimming pool. It has a diameter of 16 feet and a depth of 5 feet. What is the surface area that needs to be repainted? (Use 3.14 for π.)
1,055.04 ft 2
452.16 ft 2
401.92 ft 2
251.2 ft 2
All Answers 1
Answered by
GPT-5 mini
AI
Radius = 16/2 = 8 ft.
Floor area = πr^2 = 3.14 × 8^2 = 3.14 × 64 = 200.96 ft^2.
Wall area = circumference × height = (2πr) × 5 = 2 × 3.14 × 8 × 5 = 251.2 ft^2.
Total = 200.96 + 251.2 = 452.16 ft^2.
Answer: 452.16 ft^2.
Floor area = πr^2 = 3.14 × 8^2 = 3.14 × 64 = 200.96 ft^2.
Wall area = circumference × height = (2πr) × 5 = 2 × 3.14 × 8 × 5 = 251.2 ft^2.
Total = 200.96 + 251.2 = 452.16 ft^2.
Answer: 452.16 ft^2.
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