Equation of a Circle, Arc Sector and Arc Length

What is the area of the shaded region? Round to the nearest hundredth.

• 50.27
• 3015.93
• 8.38
• 4.19

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

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.

The distance along an arc measured in linear units.

• area of a sector
• arc length
• arc of a circle
• sector of a circle

What can you conclude from the picture?

• M is parallel to circle C
• M is skew to circle C
• M bisects circle C
• M is tangent to circle C

is the formula for?

• arc length
• area of a sector
• area of a segment
• arc measure

FIND THE SECTOR AREA OUTLINED IN BOLD

• A
• B
• C
• D

FIND THE SECTOR AREA OUTLINED IN BOLD

• A
• B
• C
• D

FIND THE SECTOR AREA OUTLINED IN BOLD

• A
• B
• C
• D