Question

2)
The radius of a circle is
10cm find the length
of an arc of the circle which cuts off a chord
of length equal to the radius of the circle
r=10cm
angle=60°.......
[ equilateral triangle]
radian=60×π/180
..........=π/3

length of arc
s=radius×thita
= 10 Xπ/3
=10π/3

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Answer 1

Answer:

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