Area of a Sector and Arc Length

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

What is the area of the shaded sector?

• 69.78 ft²

• 2791.11 ft²

• 558.22 ft²

• 697.78 ft²

What is the area of the shaded sector?

• 7.14 in²

• 5.23 in²

• 97.34 in²

• 15.7 in²

Find the ARC LENGTH of the darkened part of the circle. Round to the nearest whole number. Don't include units.

The diagram shows a sector of a circle of radius 4 units, formed from an angle of size 135°.

Find the length of the arc rounded to two decimal places.

Mathematical Equivalence

ON

Match the answers to the following problems.

• Problem 4

• Problem 3

• Problem 2

• Problem 1

Find the area of the shaded sector. Round to the nearest whole number. Don't include units.

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

Find the arc length.

• 5.50 cm

• 11.00 cm

• 0.39 cm

• 141.37 cm