If the length of an arc is equal to half of the length of the radius of the circle, then the angle subtended by the arc at the centre in radians would be ? A(1/2c),B (2c), C (1c), D (pai/2)
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Answer:
option A 1/2c
Step-by-step explanation:
angle subtended by an arc equal in length to the radius is one radian , so angle subtended by an arc half the length of radius would be half of a radian
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