Find
the length of an arc if the radius of the circle is 9cm.
Solution
L
= ∏r
1800
L
= ∏ x 9
1800
L
= ∏ cm
20
Hence
length of an arc is ∏/20 cm.
TRY THIS……………
Find
the length of an arc if the radius of the circle is 15cm.
No comments:
Post a Comment