Find the length of an arc of a circle of radius 12 cm subtends an angle of 120º at the centre
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Answer:
150.72msquare
Step-by-step explanation:
REF.image
Area of segment = Area of circle ×
360
∘
120
∘
=
3
πr
2
=
3
3.14×12
2
=3.14×48=150.72cm
2
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