7th Math-Chapter 9 Review

A circular swimming pool is 21 feet in diameter.

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

True or False: The radius goes half way across the circle

• False

• True

What is the circumference of the circle?

• 21.98

• 10.99

• 43.96

• 87.92

Find the radius

Area?

• 610 square meters
• 98 meters
• 610 meters

Find the area of the figure.

• 43 sq inches
• 102 sq inches
• 37 inches
• 90 sq inches

Area of this polygon?

• 38 cm ²
• 38 meters
• 132 meters ²
• 72 meters

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft
• 246.2 ft
• 365.56 ft
• 392.5 ft

What is the composite area of the figure shown? (use 3 for pi)

• 128
• 96
• 24
• 368

Find the radius of a circle with a circumference of 59.66 feet.

• 19 feet
• 25.5 feet
• 13.5 feet
• 9.5 feet