Arc Length & Sector Area

How many radians does a circle have?

•   360 degrees
• 2pi radians
• pi radians
• ^{2 radians}

Tags

CCSS.HSF.TF.A.1

Convert π radians to degrees.

• 90⁰
• 180⁰
• 360⁰
• 60⁰

Tags

CCSS.HSF.TF.A.1

Convert 150⁰ to radians

• 5π/6
• 3π/4
• 7π/6
• 2π/3

Tags

CCSS.HSF.TF.A.1

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Tags

CCSS.HSF.TF.A.1

What is 225  degrees in radians? 

• 7π/4
• 5π/4
• 3π/4
• 5π/3

Tags

CCSS.HSF.TF.A.1

A region bounded by two radii of the circle and their intercepted arc is a ....

• arc of a circle
• arc length of a circle
• sector of a circle
• segment of a circle

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 arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

Tags

CCSS.HSG.C.B.5

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

Tags

CCSS.HSG.C.B.5

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle