Area of a Sector

Find the area of the shaded sector of the circle.

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Tags

CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1

In a​ circle, a 90° sector has area 64π in². What is the radius of the​ circle?

• 16 in

• 32 in

• 64 in

• 128 in

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CCSS.HSG.GMD.A.1

What is the area of the shaded sector?

• 339.12 in²
• 113.04 in²
• 339.29 in²
• None of the above

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CCSS.HSG.GMD.A.1

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26
• 452.39
• 113.10
• 40715.04

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CCSS.HSG.GMD.A.1

Find the area of the sector, rounding your answer to 1d.p.

• 176.7cm²

• 23.6cm²

• 156.7cm²

• 88.4cm²

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CCSS.HSG.GMD.A.1

Find the area of the sector, rounding your answer to 1d.p.

• 67.1cm²

• 67.0cm²

• 16.8cm²

• 134.0cm²

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CCSS.HSG.GMD.A.1

Find the area of the sector, rounding your answer to 1d.p.

• 209.4cm²

• 209.3cm²

• 104.7cm²

• 104.1cm²

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CCSS.HSG.GMD.A.1

Find the area of the sector, rounding your answer to 1d.p.

• 215.9cm²

• 216.0cm²

• 490.8cm²

• 490.9cm²

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CCSS.HSG.GMD.A.1

is the formula for?

• arc length
• area of a sector
• area of a segment
• arc measure

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CCSS.HSG.C.B.5