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Relation between Radian and Degree

Change the fo...

Question

Change the following radian measures to degree measure:
$- \frac{2 π}{3}$

A

120

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B

- 120

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C

150

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D

- 150

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Solution

The correct option is D $- 120$
$π$ radian is equivalent to $180$ degrees.
Therefore
$- \frac{2 π^{c}}{3} = - \frac{2}{3} \times 180^{o} = - 120^{o}$

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