Question

The diagram shows the dimensions of the pool cover for a hotel pool. What is the area of the of the pool cover? 7.5 ft 7.5 ft Area 20 ft $42 45 ft

Answer 1

The pool cover consist of three rectangles, which can be redraw as,

The dimensions of rectangle are,

Rectangle 1: 7.5 ft by 10 ft.

Retangle 2: 12.5 ft by 45 ft.

Rectangle 3: 8 ft by 7.5 ft.

Determine the area of pool cover by addition of area of rectangle 1, 2 and 3.

`\begin{gathered} A=10\cdot7.5+45\cdot12.5+7.5\cdot8 \\ =75+562.5+60 \\ =697.5 \end{gathered}`

Thus area of pool cover is 697.5 feet square.