AREA, PERIMETER, & CIRCUMFERENCE UNITS REVIEW

A pool has a radius of 9 feet. The area of the pool is ​ ​ (a)   . The circumference of the pool is ​ (b)   The diameter of the pool is ​ (c)   . ​

• 254.34 sq. ft.
• 56.52 ft.
• 18 ft.

A circular window has a diameter of 14 inches. The amount of frame needed is ​ (a)   . The area of the window is ​ (b)   . The radius is ​ (c)  

• 43.96 in.
• 153.86 sq. in.
• 7 in.

A patio has a length of 15 feet and a width of 12 feet. The perimeter is ​ (a)   The area of the patio is ​ (b)  

• 54 ft.
• 180 sq. ft.

A square has an area of 36 square inches. The perimeter of the square is ​ (a)   The length of one side of the square is ​ (b)  

• 24 in.
• 6 in.