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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.​

AOB is a sector of a circle centre O Show that the length of arc AB is 524 cm correct to 3 significant figures class=

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sqdancefan

Answer:

  5/3π cm ≈ 5.24 cm

Step-by-step 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.

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