Tuesday, 7 February 2017

ARC LENGTH 1A


Find the length of an arc if the radius of the circle is 45cm.

Solution

L = r
      1800

L = x  45
             1800

L = cm
       4

Hence length of an arc is /4 cm

TRY THIS………………..


Find the length of an arc if the radius of the circle is 20cm.

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