What is the length of an arc which subtends an angle of 0.9 radian at the centre of a circle of radius 20cm?

      

What is the length of an arc which subtends an angle of 0.9 radian at the centre of a circle of radius 20cm?

  

Answers


joseph
1 rad is subtended by 20 cm
0.9 rad is subtended by x
X = 0.9 x 20
X= 18 cm

joseph rimiru answered the question on November 12, 2017 at 17:59


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