Question

Consider circle Y with radius 3m and central angle XYZ measuring 70degrees. What is the approximate length of minor arc XZ?

Answer 1

XZ ≈ 3.7 cm (to 1 dec. place )

Explanation:

arc length = circumference × fraction of circle

= 2πr ×
`(70)/(360)`

= 2π × 3 ×
`(70)/(360)` ≈ 3.7 cm