Arcs and Sectors

Match it up!

• Pentagon

• 
• Arc

• 
• Sector

• 
• Segment

• 
• Hexagon

• 

Match the following

• Major Sector

• 
• Segment

• 
• Decagon

• 
• Nonagon

• 
• Minor Sector

• 

Match the following angles in radians and degrees.

• 45°

• 180°

• 90°

• 360°

• 270°

Label the things!

a

b

c

Segment

Arc

Chicken

Sector

Match the following

• Circumference Length

• Arc Length

• Triangle Area

• Area of a circle

• Sector Area

Ho do we find the area of a sector?

Ho do we find the length of an arc?

This sector has radius 6cm and angle 0.5 radians.

What is the length of arc AB?

• 3cm

• 6cm

• 9cm

• 12cm

This sector has radius 6cm and angle 0.5 radians.

What is the area of sector OAB?

• 3cm²

• 6cm²

• 9cm²

• 12cm²

This sector has radius 8m and angle 1.4 radians.

What is the length of arc AB?

• 11.2m

• 8m

• 44.8m

• 1.4m