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Find the area of a sector of a circle with a central angle of 110° and a radius of 12 cm. cm² :: help (numbers) 

          Find the area of a sector of a circle with a central angle of 110° and a radius of 12 cm.
cm² :: help (numbers)
Find the area of a sector of a circle with a central angle of 110° and a radius of 12 cm. cm² :: help (numbers)

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Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
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Find the area of a sector of a circle with a central angle of 110deg and a radius of 12cm. cm^(2):: help (numbers) Find the area of a sector of a circle with a central angle of 110 and a radius of 12 cm. cm2 :: help (numbers)
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Find the area of a sector of a circle having radius r = 12.3 cm and central angle θ = 162°. (Round the answer to two decimal places.) The area is approximately: A. 34.78 cm² B. 12254.49 cm² C. 213.88 cm² D. 1992.60 cm²

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Transcript

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00:01 Find the area of a sector having a radius of 12 .3 centimeters and a central angle of 162 degrees.
00:11 Here's our formula.
00:13 So we're going to put a equals 162 degrees times our r, which is 12 .3 centimeters squared over 2.
00:23 However, we need to convert out of degrees.
00:27 So i know that 180 degrees equals to pi.
00:32 So i'm going to multiply this by 180 degrees in the denominator and then pi in the numerator...
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