Arc Length & Sector Area

What is the length L called?

• circumference

• tangent

• arc

• sector

What is the green area called?

• sector

• segment

• arc

• section

What is the ϴ called?

• sector

• segment

• arc

• central angle

Calculate the length of the bold arc.

• 49.7 ft

• 15.8 ft

• 24.9 ft

• 3.14 ft

Tags

CCSS.HSG.C.B.5

Calculate the area of the sector.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

Match the following formulas.

• Area of Sector

• Circumference

• Arc Length

• Area

Tags

CCSS.HSG.C.B.5

Match the following

• Circumference

• The distance around a section of the circle.

• Arc Length

• The distance around the circle.

• Area of a Sector

• The amount of space inside a section of the circle.

• Area

• The amount of space inside the circle.

Find exact length of the un-shaded part of the circle.

Tags

CCSS.HSG.C.B.5

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47
• 74
• 94
• 123

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector of the circle.

• 
• 
• 
• 

Tags

CCSS.HSG.C.B.5