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The perimeter of a certain sector of a circle is equal to the length of the arc of a semicircle having the same radius. The angle of the sector in degrees is (A) 65°27'16"(B) 65°27'10" (C) 65°27'27" (D) 65°27'12" |
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Answer» (A) 65°27'16" The perimeter of a certain sector of a circle is equal to the length of the arc of a semicircle having the same radius. The angle of the sector in degrees is 65°27'16" |
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