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.
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.
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.
Pia's plate has a diameter of 19 cm. It is not a frisbee. Probably. What is its area in square cm? Use π = 3.14. Do not round.
Ren's pizza has a diameter of 29 cm. It has strong opinions about toppings. 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.
Ari's plate has a diameter of 16 cm. It has no chips and no cracks. What is its area in terms of π? Write it like 14π.
Bo's dish has a radius of 6.5 cm. It is a roomy dish. What is its area in terms of π? Write it like 14π.
Luz's pizza has a radius of 16 cm and is cut into 8 equal slices. What is the area of one slice in square cm? Use π = 3.14. Do not round.
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.