In a circle of radius 21 cm, an arc subtends an angle of 72 at the ce – McqOptions

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1.	In a circle of radius 21 cm, an arc subtends an angle of 72 at the centre. The length of the arc is
A.	21.6 cm
B.	26.4 cm
C.	13.2 cm
D.	19.8 cm
Answer» C. 13.2 cm

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