AOB is a sector of a circle, centre O. Show that the length of arc AB is 5.24 cm, correct to 3 significant figures.

Question

asked Nov 12, 2023 25.0k views

1 Answer

Pompopo · Answer 1 · 2023-11-18T10:08:32+0000

Answer:

5/3π cm ≈ 5.24 cm

Explanation:

The length of an arc is the product of its angle measure in radians, and its radius. The length of arc AB is ...

AB = (50°×π/180° radians)×(6 cm) = 5/3π cm ≈ 5.235988 cm

This value rounds to 5.24 cm when rounded to 3 SF.