Question

in a circle of radius 28 cm, an subtends an angle of 45° at the centre, then find the length of the arc(in cm)​

Answer 1

22cm

Explanation:

Length of arc =
`(theta)/(360)` * 2
`\pi`r

=
`(45)/(360)` * 2 *
`(22)/(7)` * 28

= 22 cm