Real-World Circle Challenges: Area & Circumference Quiz

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

• 20π square meters

• 25π square meters

• 15π square meters

• 30π square meters

A round swimming pool has a diameter of 10 feet. Calculate the area of the pool.

• 78.5 square feet

• 62.8 square feet

• 100 square feet

• 50 square feet

If you want to put a border around the swimming pool, how much material will you need for the circumference?

• C = π * r^2

• C = 2 * r + 2 * π

• C = 4 * r

• C = 2 * π * r or C = π * d, depending on the given dimensions.

A pizza has a radius of 8 inches. What is the area of the pizza?

• 48π square inches

• 32π square inches

• 64π square inches

• 16π square inches

If you cut the pizza into 8 equal slices, what is the circumference of the pizza?

• The circumference of the pizza is 4πr.

• The circumference of the pizza is 8r.

• The circumference of the pizza is πr².

• The circumference of the pizza is 2πr.

A circular track has a radius of 20 meters. What is the area of the track?

• 300π square meters

• 400π square meters

• 250 square meters

• 500π square meters

How far would you run if you completed one lap around the circular track?

• The distance of one lap is half the circumference of the track.

• The distance of one lap is equal to the diameter of the track.

• You would run a distance of 100 meters regardless of the track size.

• The distance of one lap is equal to the circumference of the track.

A circular table has a diameter of 1.2 meters. What is the area of the table?

• 0.9 m²

• 2.0 m²

• 1.131 m²

• 1.5 m²

If you want to place a tablecloth around the edge of the table, how much fabric do you need for the circumference?

• C = 2 * r * π/2, where r is the radius of the table.

• C = π * d, where d is the diameter of the table.

• C = 4 * r, where r is the radius of the table.

• C = 2 * π * r, where r is the radius of the table.