exltropyrogaming exltropyrogaming
  • 20-09-2022
  • Mathematics
contestada

Find the radius of a circle with the arc length of 69 cm and a central angle measure of 81°

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riotbroot riotbroot
  • 20-09-2022

convert 81°into radian

81°=(81×pie/180)=9pie/20 pie=22/7

now,

radius=arc length/θ in radian

then 69/(9pie/20)

=48.79

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