Friday, 23 September 2022

LENGTH OF AN ARC F1

 

Find the length of an arc if the radius of the circle is 70cm.

 

Solution

 

L = ∏r

      1800

 

L = ∏ x  70

             1800

 

L = 7∏ cm

       18

 

Hence length of an arc is 7∏/18 cm

 

TRY THIS…………………………..

 

 

Find the length of an arc if the radius of the circle is 30cm.

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