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.
Kira's pizza has a radius of 13.5 cm. The crust is feeling confident. What is its area in square cm? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with its radius 13.5 cm drawn from the middle to the edge. Sketch, not to scale. A circle with its radius 13.5 cm drawn from the middle to the edge. 13.5 cm Not to scale. 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.
Sketch, not to scale. A circle with its radius 8.5 cm drawn from the middle to the edge. Sketch, not to scale. A circle with its radius 8.5 cm drawn from the middle to the edge. 8.5 cm Not to scale. 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.
Sketch, not to scale. A circle with its diameter 19 cm drawn across. Sketch, not to scale. A circle with its diameter 19 cm drawn across. 19 cm Not to scale. 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.
Sketch, not to scale. A circle with its diameter 29 cm drawn across. Sketch, not to scale. A circle with its diameter 29 cm drawn across. A circle with its diameter 29 cm drawn across. diameter 29 cm Not to scale. 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.
Sketch, not to scale. A circle with its diameter 10 m drawn across. Sketch, not to scale. A circle with its diameter 10 m drawn across. 10 m Not to scale. 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.
Sketch, not to scale. A circle with its radius 6.5 cm drawn from the middle to the edge. Sketch, not to scale. A circle with its radius 6.5 cm drawn from the middle to the edge. Sketch 6.5 cm A circle with its radius drawn from the middle to the edge. Not to scale. Esme's clock face has a radius of 7 cm. The hands are pointing at the answer. Which expression gives its area? Use π = 3.14. Do not round.
Sketch, not to scale. A circle with its radius 7 cm drawn from the middle to the edge. Sketch, not to scale. A circle with its radius 7 cm drawn from the middle to the edge. Sketch, not to scale 7 cm - 2 × 3.14 × 7
- 3.14 × 7 × 7
- 3.14 × 14 × 14
- 3.14 × 7
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.
Sketch, not to scale. A circle with its radius 12 cm drawn from the middle to the edge, cut into 6 equal slices with one slice shaded. Sketch, not to scale. A circle with its radius 12 cm drawn from the middle to the edge, cut into 6 equal slices with one slice shaded. 12 cm Not to scale. 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.
Sketch, not to scale. A circle with its radius 10 cm drawn from the middle to the edge, cut into 4 equal slices with one slice shaded. Sketch, not to scale. A circle with its radius 10 cm drawn from the middle to the edge, cut into 4 equal slices with one slice shaded. Sketch, not to scale radius 10 cm 4 equal slices