Real World Problems involving Semi Circles and Quarter Circles

Abigail, Emma, and Priya are working on a project to create a semi-circular garden. If the radius of the semi-circular garden is 5 cm, what would be the circumference of the garden?

• 3.14 cm

• 10.5 cm

• 15.71 cm

• 20 cm

Liam, Grace, and Arjun are planning to build a semi-circular garden. If the radius of the garden is 8.5 m, what would be the length of the fence they need to surround the garden?

• 17.5 m

• 32.5 m

• 26.75 m

• 10.25 m

Noah is making a pizza and he wants to create a quarter circle shaped pizza with a crust of radius 6 in. Can you help him determine the length of the crust (circumference of the quarter circle)?

• 3.14 in.

• 12.56 in.

• 18.84 in.

• 9.42 in.

William, Ethan, and Isla are working on a project to build a quarter-circle shaped garden. If the radius of the garden is 3.2 ft, what would be the circumference of the garden?

• 12.56 ft

• 5.67 ft

• 8.94 ft

• 20.11 ft

Avery, James, and Kai are working on a project to build a semi-circular fence around their garden. If the radius of the semi-circle is 10 mm, using the formula 2πr, what would be the length of the fence they need to build?

• 20π mm

• 5π mm

• 10π mm

• 40π mm

William is participating in a school project where he needs to create a semi-circular garden. If the radius of his semi-circular garden is 7.3 cm, can you help him find the circumference using the formula 2πr?

• 5π cm

• 14.6π cm

• 20π cm

• 10π cm

Evelyn is making a pie for a school event. If the pie is a quarter circle and the radius of the pie is 4.5 m, what would be the circumference of the pie?

• 7.06 m

• 5.25 m

• 9.28 m

• 3.14 m

Scarlett, Mia, and Charlotte are working on a project to design a quarter-circle shaped garden. If they plan to put a fence around the garden and the radius of the garden is 9.8 meters, determine the length of the fence they would need.

• 18.2π m

• 15.4π m

• 9.8π m

• 4.9π m

Ethan is planning to build a semi-circular garden with a radius of 12 cm. Emma and Jackson are helping him calculate the circumference of the semi-circular garden. Can you tell what would be the circumference of the garden?

• 12π cm

• 24π cm

• 6π cm

• 144 cm

Benjamin is building a quarter-circle shaped garden with a radius of 5.6 m. What would be the circumference of the fence he needs to surround his quarter-circle garden?

• 10.6π m

• 4.4π m

• 16.8π m

• 8.8π m