Area of a Segment

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

• 2.1cm²

• 2.0cm²

• 0.5cm²

• 12.6cm²

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary
• complimentary
• central
• obtuse

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 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 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

What is the name of the blue region?

• A sector

• A segment

• A hooly bob

• A central angle

What is the area of the shaded segment?

• 185.0619

• 88.9359

• 39.3078

• 5.7975

What is the area of the blue segment?

• 603.2 u²
• 249.4 u²
• 353.8 u²
• 192.0 u²

What is the area of the red shaded segment?

• 25 in²
• 28.5 in²
• 12.5 in²
• 383.4 in²