How do you convert $20^circ$ into radians?

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How do you convert $20^circ$ into radians?

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Answer 1 · 2017-01-12T10:20:38

$pi/9$

Explanation:

We can convert degrees into radians (and radians to degrees) by remembering that $180^o=pi " radians"$ . We can set up a ratio from this relationship to find any measure we need.

$pi/180^o=(x)/20^o$

$20^opi=(x)(180^o)$

divide through by $180^o$ to get:

$(20^opi)/(180^o)=x$

$x=pi/9$

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How do you convert $20^circ$ into radians?

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