Question

11) Find the length of the arc if the measure of a central angle is 150
and radius of the circle is 21 cm.​

Answer 1

Answer:

Step-by-step explanation:

r=21cm

Angle=150

Length of arc =angle/360×2πr

=150/360×2×22/7×21

=5/12×22×3

=5/2×11

=55/2=27.5cm

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Answer 2

length=2πr tita

360

=2into22into21into150

7. 360

=55cm