Sector Area

What is the definition of a sector?

• A sector is a portion of a circle enclosed by two diameters and an arc.

• A sector is a portion of a circle enclosed by two radii and an arc.

• A sector is a portion of a circle enclosed by two tangents and an arc.

• A sector is a portion of a circle enclosed by two chords and an arc.

What is the formula for finding the area of a sector?

• (θ/270) * π * r^2

• (θ/180) * π * r^2

• (θ/360) * π * r^2

• (θ/90) * π * r^2

If the radius of a sector is 5 cm and the central angle is 60 degrees, what is the area of the sector?

• 13.0894 cm^2

• 7.85398 cm^2

• 10.4719 cm^2

• 15.7079 cm^2

If the radius of a sector is 8 m and the central angle is 45 degrees, what is the area of the sector?

• 12.56

• 50.24

• 6.28

• 25.12

If the radius of a sector is 12 cm and the central angle is 120 degrees, what is the area of the sector?

• 150.72 cm^2

• 132.72 cm^2

• 168.72 cm^2

• 144.72 cm^2

If the radius of a sector is 10 m and the central angle is 90 degrees, what is the area of the sector?

• 78.53975

• 314.159

• 157.0795

• 31.4159

If the area of a sector is 25 square units and the radius is 5 units, what is the central angle?

• 360

• 180

• 206.2648

• 45.6789

If the area of a sector is 36 square units and the radius is 6 units, what is the central angle?

• 360

• 180

• 45

• 90

If the area of a sector is 64 square units and the radius is 8 units, what is the central angle?

• 90

• 120

• 60

• 45

If the area of a sector is 49 square units and the radius is 7 units, what is the central angle?

• 12.3456

• 45.6789

• 34.5678

• 23.3827