Question

Find area of sector of circle subtends an angle of 54° at centre . If the radius of circle is 7 cm.​

Answer 1

Answer:

Radius of a circle is 7 cm and the angle subtended at the centre of 60 degree find the length of the arc?

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Use the formula, s = r×θ; where, s is the length of an arc of a circle having radius r & θ(in radian) is the angle subtended by the arc of lengh s at the center of the circle. Units of s & r are same.

Here, r = 7cm & θ = π/3 (given). [as, 60° = (60×π/180) rad = π/3 rad.]

We have to find the value of s.

So, from the above formula, we have,

s = (7×π/3) cm

= 7π/3 cm. (Ans)

Hope, it'll help..!!

P.S.- Feel free to comment if you have any query with it.

Thank You!