In a circle of radius 21 cm an arc subtends an angle of 72 at the centre. The length of the arc is ?

In a circle of radius 21 cm an arc subtends an angle of 72 at the cen

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.	13.2 cm
B.	19.8 cm
C.	21.6 cm
D.	26.4 cm
Answer» E.

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In a circle of radius 21 cm an arc subtends an angle of 72 at the centre. The length of the arc is ?

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