Radians, Arc Length, Sector Area

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CCSS.HSF.TF.A.1

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CCSS.HSF.TF.A.1

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CCSS.HSF.TF.A.1

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CCSS.HSF.TF.A.1

How many radians does a circle have?

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

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CCSS.HSF.TF.A.1

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

• 7/4π
• 7/2π
• 1/8π
• 45π

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CCSS.HSG.C.B.5

• 6.10 miles

• 29.89 miles

• 74.95 miles

• 14.95 miles

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CCSS.HSG.C.B.5

• 12.04 cm

• 24.08 cm

• 144.51 cm

• 72.26 cm

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CCSS.HSG.C.B.5

What is the measure of the central angle in a circle that intercepts an arc that is 18 cm in length and the radius of the circle is 7 cm? Round to the nearest whole number. Numeric value only!

(a)  

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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

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CCSS.HSG.C.B.5