Practice 11.1-11.2: Arcs, Radians, Arc lengths, and Circum.

Name a major arc (Choose all that applies)

• ABD

• BDA

• BCD

• BAD

• DA

Correctly name a minor arc.

• arc AEC

• arc ADE

• arc AB

• arc AC

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

• 7/4π
• 7/2π
• 1/8π
• 45π

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

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

Convert 510^o to Radians

• 25π / 3

• 23π / 8

• 17π / 6

• 51π / 8

Tags

CCSS.HSF.TF.A.1

Convert 210^o to Radians

• 7π / 6

• 21π / 10

• 5π / 6

• 9π / 4

Tags

CCSS.HSF.TF.A.1

Convert 35π / 18 radians into degrees

• 350^o

• 340^o

• 355^o

• 345⁰

Tags

CCSS.HSF.TF.A.1

Convert 4π/ 3 radians in degrees

• 120

• 240

• 210

• 270

Tags

CCSS.HSF.TF.A.1

Find the arc length.

• 3π/4 ft

• 39π/4 ft

• 13π/4 ft

• 4π/13 ft

Tags

CCSS.HSG.C.B.5