Sectors of a Circle

Find the area of the sector, rounding your answer to 1d.p.

• 2.1cm²

• 2.0cm²

• 0.5cm²

• 12.6cm²

Find the area of the sector, rounding your answer to 1d.p.

• 56.5cm²

• 56.6cm²

• 226.1cm²

• 226.2cm²

Find the area of the dark blue sector shown. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Hint: you need to find the central angle first.

• 0.3 square units

• 15.7 square units

• 19.7 square units

• 50.3 square units

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 9.2 in²

• 10.5 in²

• 31.4 in²

• 38.2 in²

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body?

• (464/9)π mm²

• (112/9)π mm²

• (116/9)π mm²

• (28/9)π mm²

What is the area of the green shaded segment?

• 16π - 64

• 8π - 32

• 8π - 64

• 16π - 32

What is the area of the green shaded segment?

• 4.2 cm²

• 0.2 cm²

• 4.0 cm²

• 2.4 cm

Given circle P, m∠RPT = 130°, and PT = 18 cm.
Solve for area of the shaded sector.

• 117.94 cm²

• 650.31 cm²

• 324. 68 cm²

• 210.81 cm²

Given the measurements in the diagram, find the total area of the shaded regions.

• 10.47 cm²

• 17.45 cm²

• 26.18 cm²

• 8.33 cm²

What is/are the formula(s) to find the sector of a circle?