Sector Area Quiz

What is the formula to calculate the area of a sector?

• (θ/90) * π * r^2

• (θ/270) * π * r^2

• (θ/360) * π * r^2

• (θ/180) * π * r^2

A sector has a central angle of 45 degrees and a radius of 8 cm. What is the area of the sector?

• 25.12

• 50.24

• 12.56

• 100.48

A sector has a central angle of 120 degrees and a radius of 10 m. What is the area of the sector?

• 314.16 m^2

• 60 m^2

• 240 m^2

• 104.72 m^2

A sector has a central angle of 60 degrees and an arc length of 4 cm. What is the radius of the sector?

• 24/pi

• 16/pi

• 12/pi

• 8/pi

A sector has a central angle of 90 degrees and an arc length of 12 m. What is the radius of the sector?

• 1

• 2

• 0.2667

• 0.5

A sector has an area of 25 square units and a radius of 5 units. What is the central angle of the sector?

• 90

• 45

• 180

• 206.2648

A sector has an area of 50 square units and a radius of 10 units. What is the central angle of the sector?

• 45

• 573.6

• 90

• 180

A sector has an area of 36 square units and a central angle of 60 degrees. What is the radius of the sector?

• 2.5

• 4.2

• 3.39

• 5.7

A sector has an area of 64 square units and a central angle of 45 degrees. What is the radius of the sector?

• 4.5

• 12.5

• 8.5

• 7.15

A sector has a radius of 6 cm and a central angle of 30 degrees. What is the arc length of the sector?

• 0.5 cm

• 18.85 cm

• 12 cm

• 3.14 cm