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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