Area Circumference Arclength

What is the circumference?

• 36

• 18pi

• 108pi

• 36pi

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

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

• 7/4π

• 7/2π

• 1/8π

• 45π

Solve for the arclength of the shaded region.

• 20.82π

• 20.88π

• 20.87π

• 21.87π

Solve for the arc length in the circle shown.

Mathematical Equivalence

ON

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

• 7/4π

• 7/2π

• 1/8π

• 45π

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

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

• 4π 

• 16π 

• 2π 

• 8π