Question

Please please help me out please

Answer 1

CD = 9.2 cm

Explanation:

The arc of any circle is calculated as

arc = circumference × fraction of circle

= 2πr ×
`(66.4)/(360)`

= 2π × 7.9 ×
`(66.4)/(360)`

=
`(2(7.9)(66.4)\pi )/(360)` ≈ 9.2

arc CD is approximately 9.2 cm