Area of Circle and Sector

A region bounded by two radii of the circle and their intercepted arc is a ....

• arc of a circle

• arc length of a circle

• sector of a circle

• segment of a circle

Find the area of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to thenearest tenth of a square unit.

• 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 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

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

• 8.9cm²

• 9.0cm²

• 11.4cm²

• 11.3cm²

Find the area of the shaded sector of the circle. Leave answer in terms of π

• 5.83π

• 43.75π

• 68.75π

• 4.58π

Given circle P, the white arc has an angle measure = 130°, and PT = 18 cm.
Solve for area of the shaded sector.

• 20.42 cm²

• 650.31 cm²

• 367.57 cm²

• 36.13 cm²

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

• 176.7cm²

• 23.6cm²

• 156.7cm²

• 88.4cm²