Area of Semicircles and Quarter Circles Quizizz

Harper, David, and Nora are having a fun day at the park. They come across a beautiful semicircle-shaped pond. They wonder about the area of the pond. If the radius of the pond is 5 cm, can you help them calculate the area?

• 10 cm^2

• 78.5 cm^2

• 25 cm^2

• 39.25 cm^2

Tags

CCSS.7.G.B.4

Isla, Benjamin, and Harper are having a fun day at the park. They come across a giant semicircular sandbox with a diameter of 12 m. Can you help them calculate the area of the sandbox?

• 72π m^2

• 24π m^2

• 36π m^2

• 18π m^2

Tags

CCSS.7.G.B.4

Imagine Daniel, Lily, and Avery are playing a game of frisbee. The frisbee they are using is shaped like a quarter circle with a radius of 6 cm. Can you guess the area of the frisbee they are playing with?

• 9π cm^2

• 12π cm^2

• 18π cm^2

• 36π cm^2

Tags

CCSS.HSG.C.B.5

Charlotte, Zoe, and Grace are having a picnic in the park. They spot a giant quarter-circle shaped garden with a diameter of 10 m. Can you help them calculate the area of this garden?

• 78.5 m^2

• 5.25 m^2

• 19.63 m^2

• 12.56 m^2

Tags

CCSS.7.G.B.4

Scarlett, Maya, and Aria are having a fun day at the park. They come across a giant quarter-circle shaped slide with a radius of 4 in. Can you help them calculate the area of this slide?

• 16

• 4π

• 8π

• 2π

Tags

CCSS.HSG.C.B.5

Ethan, Kai, and James are planning to build a magical garden in their backyard. They decided to give it a unique shape of a semicircle. If the radius of this semicircular garden is 10 m, can you help them figure out the area of their magical garden?

• 25π m^2

• 50π m^2

• 20π m^2

• 100π m^2

Tags

CCSS.7.G.B.4

Grace, Benjamin, and William are having a picnic and they brought a circular tablecloth with a quarter circle design. If the radius of the design is 5 ft, can you help them figure out the area of the design?

• 25 sq ft

• 39.25 sq ft

• 19.63 sq ft

• 10.5 sq ft

Tags

CCSS.HSG.C.B.5

Ethan, Zoe, and Aria are planning a fun day at a circular park. They notice that the path around the park is in the shape of a quarter circle with a radius of 15 m. Being curious, they start wondering about the area of the path. Can you help them figure it out?

• 120 m^2

• 225 m^2

• 176.63 m^2

• 15 m^2

Grace, Harper, and Avery are designing a magical castle for their school project. They decided to add a quarter circle window with a radius of 3 ft to their castle. Can you help them calculate the area of the window?

• 5.5 sq ft

• 12 sq ft

• 9 sq ft

• 7.07 sq ft

Tags

CCSS.HSG.C.B.5

Oliver, Mia, and Noah are planning a fun day at the park. They come across a semicircular pond with a diameter of 8 m. Can you help them calculate the area of the pond?

• 16π m^2

• 32π m^2

• 24π m^2

• 8π m^2

Tags

CCSS.7.G.B.4