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9 February, 07:42

What is radian measure in geometry? what do you use it for?

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  1. 9 February, 08:05
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    The radian is a unit of measure for angles used mainly in trigonometry. It is used instead of degrees ... As seen in the figure above, a radian is defined by an arc of a circle. The length of the arc is equal to the radius of the circle. Because of this the radian is a fixed size no matter what the size of the circle is.
  2. 9 February, 08:11
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    The radian is a unit of measure for angles used mainly in trigonometry. It is used instead of degrees.
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