Monday, 19 January 2015

LENGTH OF AN ARC 1




Find the length of an arc if the radius of the circle is 60cm.

Solution

L = ∏r
      1800

L = ∏ x  60
             1800

L = ∏ cm
      3

Hence length of an arc is ∏/3 cm

TRY THIS………………..

Find the length of an arc if the radius of the circle is 3.6cm.

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