Question

Find the length of an arc of degree measure 120degree of a circle with Radius 7cm.​

Answer 1

Answer:

The area of sector formed is 51.33 sq cm

Solution:

The area of sector when central angle measured in degrees is:

Where,

"r" is the radius

 is the central angle in degrees

From given,

r = 7 cm

Substituting we get,

Thus area of sector formed is 51.33 sq cm.

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