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  • The angle made by an arc of length equal to twice of radius at the centre of the circle isOption: 1 2<stro

The angle made by an arc of length equal to twice of radius at the centre of the circle is

Option: 1

2


Option: 2

\pi / 2


Option: 3

\pi


Option: 4

None of these


Answers (1)

best_answer

Radian is the angle subtended at the centre of a circle by an arc whose length is equal to its radius.

 

 \theta = l/R \\ \Rightarrow \theta = 2R/R = 2\: \: radians

Posted by

rishi.raj

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