Question

Find the length of AB AB=

Answer 1

5.59

Explanation:

I had the same one

Answer 2

AB ≈ 5.59 m

Explanation:

The arc AB is calculated as

AB = circumference of circle × fraction of circle

= 2πr ×
`(40)/(360)` ( r is the radius )

= 2π × 8 ×
`(1)/(9)`

= 16π ÷ 9 ≈ 5.59 m ( to the nearest hundredth )