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