Scorpio29 Scorpio29
  • 25-05-2017
  • Mathematics
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Find the area with a central angle of 170° and a diameter of 9.1 cm. Round to the nearest tenth.

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mreijepatmat
mreijepatmat mreijepatmat
  • 25-05-2017
AREA OF A SECTOR =1/2(Ф.R²). Note that R = Diameter/2

AREA OF A SECTOR =1/2(170°).(9.1)/2) =386.75 cm²
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