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L.T. 11.3: Find the area of sectors
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Math Humor What is the difference between the diameter and radius?
The radius!!!
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Example 1 Find the area of the sector. Give answers in terms of and rounded to the nearest hundredth. 164.6 m2
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Example 2 A windshield wiper blade is 18 inches long. To the nearest square inch, what is the area covered by the blade as it rotates through an angle of 122°? 345 in2
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segment of a circle A region inside a circle bounded by a chord and an arc.
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Example 3 Find the area of segment RST to the nearest hundredth.
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LT 11.4 Find Arc Length
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Example Find Give answers in terms of and rounded to the nearest hundredth. FG
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Example 7 If the arc length of a circle is 5cm and the diameter is 10cm, what is the measure of the angle?
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