Respuesta :

Diameter of the hot tub = 26.4 ft
Radius of the hot tub = 26.4 ÷ 2= 13.2 ft

Radius of the deck = 13.2 + 8.8 = 22 ft

Area of the border = (π)(22)² - (π)(13.2)² = 973.1 ft²

Answer: 973.1 ft²