Define radian,Show that 1 radian =57.3°
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Answered by
15
hey mate here is your answer↓↓
One radian is the angle required to make the arc length equal to the radius of the circle.
You know that a semi-circle has an arc length of pi*r and also that it is 180 degrees.
From that you can conclude that the number of degrees in a radian is
180/pi
180/3.14
57.3
^^
One radian is the angle required to make the arc length equal to the radius of the circle.
You know that a semi-circle has an arc length of pi*r and also that it is 180 degrees.
From that you can conclude that the number of degrees in a radian is
180/pi
180/3.14
57.3
^^
Answered by
5
One radian is the angle subtended at the centre of the circle by an arc equal in length to the radius of the circle.
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