Question

14.
In a circle of diameter 42cm, if an arc subtends an angle of 45' at the Centre,
then what will be the length of arc..​

Answer 1

Step-by-step explanation:

Diameter of circle = 42 cm Radius = 42/2 = 21 cm Central angle = 60°

We know that,

Length of the arc = θ/360 (2πr) = 60/360 x 2 x 22/7 x 21 = 22

Length of the arc is 22 cm.

Answer 2

Answer:

Length of an arc = 33/2 cm

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