7th Grade Quiz: Area, Circumference & Unit Conversion

A circular garden has a radius of 5 meters. What is the area of the garden in square meters?

• 50 square meters

• 100 square meters

• 78.54 square meters

• 31.42 square meters

If a circular swimming pool has a diameter of 10 feet, what is the circumference of the pool in feet?

• 15.7 feet

• 40.0 feet

• 25.0 feet

• 31.4 feet

A circular pizza has a radius of 8 inches. How many square inches is the area of the pizza?

• 32π

• 16π

• 64π

• 48π

A track is shaped like a circle with a radius of 20 meters. What is the circumference of the track in meters?

• 125.66 meters

• 157.08 meters

• 100 meters

• 62.83 meters

If a circular table has a diameter of 1.5 meters, what is the area of the table in square meters?

• 0.7854

• 1.7671

• 2.3562

• 3.1416

A circular fountain has a radius of 3 feet. Convert the area of the fountain to square inches (1 square foot = 144 square inches).

• 5000 square inches

• 3600 square inches

• 3000 square inches

• 4064.69 square inches

A circular field has a circumference of 62.8 meters. What is the radius of the field? (Use π = 3.14)

• 10 meters

• 15 meters

• 20 meters

• 5 meters

A round cake has a diameter of 12 inches. What is the area of the cake in square inches?

• 36π

• 24π

• 48π

• 18π

If a circular pond has a radius of 4 meters, what is the area of the pond in square meters?

• 8π

• 16π

• 20π

• 12π

A circular clock has a radius of 6 inches. What is the circumference of the clock in inches?

• 6π inches

• 18 inches

• 12 inches

• 12π inches