Area of a circle, and of parts of a circle
Grade 7 Math Worksheet
Circle the best answer, or write your answer on the line.
Jun's clock face has a radius of 7.5 cm. It is five minutes slow. What is its area in square cm? Use π = 3.14. Do not round.
Luz's button has a radius of 1.2 cm. It is very small and very round. What is its area in square cm? Use π = 3.14. Do not round.
Milo's plate has a radius of 8.5 cm. It has been spinning on a finger. What is its area in square cm? Use π = 3.14. Do not round.
Noah's hand mirror has a diameter of 11 cm. It sees a lot of squares. What is its area in square cm? Use π = 3.14. Do not round.
Tala's dish has a diameter of 31 cm. It is a very big dish. What is its area in square cm? Use π = 3.14. Do not round.
Zee's flower bed has a diameter of 10 m. The petals are in a circle. What is its area in terms of π? Write it like 14π.
Jun's plate has a diameter of 24 cm. It is a very serious plate. Which expression gives its area? Use π = 3.14. Do not round.
- 3.14 × 24
- 3.14 × 24 × 24
- 3.14 × 12 × 12
- 3.14 × 12
Milo's pizza has a radius of 12 cm and is cut into 6 equal slices. What is the area of one slice in square cm? Use π = 3.14. Do not round.
Noah's plate has a radius of 10 cm and is cut into 4 equal slices. Four neat parts. What is the area of one slice in square cm? Use π = 3.14. Do not round.
Pia's pizza has a radius of 15 cm and is cut into 10 equal slices. What is the area of one slice in square cm? Use π = 3.14. Do not round.