Arc Measure and Area of a Sector

Find the arc length of arc AB.

• 12.57 units

• 75.40 units

• 24 units

• 125.66 units

Find the arc length of the bolded arc.

• A

• B

• C

• D

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90

• 60

• 55

• 113

If the radius of this orange is 16mm, what is the area of one section? (Hint: There are 10 congruent sections of the orange.)

• 71mm²

• 80.4mm²

• 31.5mm²

• 31.4cm²

Find the area of a circle with a sector area of 25.7 in. and an arc measure of 190 degrees.

• 13.6 square inches

• 2661.5 square inches

• 48.7 square inches

• 10.9 squares inches

Calculate the length of the bold arc.

• 5040 cm

• 43 cm

• 44 cm

• 14 cm

Find the measure of arc AB.

• 17

• 34

• 68

• 146

Find the area of each sector.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in

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 SECTOR AREA OUTLINED IN BOLD

• A

• B

• C

• D