Precalculus Examples

$- 225$

Step 1

To convert radians to degrees, multiply by $\frac{180}{π}$ , since a full circle is $360 °$ or $2 π$ radians.

$(- 225) \cdot \frac{180 °}{π}$

Step 2

Multiply $(- 225) \frac{180}{π}$ .

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Step 2.1

Combine $- 225$ and $\frac{180}{π}$ .

$\frac{- 225 \cdot 180}{π}$

Step 2.2

Multiply $- 225$ by $180$ .

$\frac{- 40500}{π}$

Step 3

Move the negative in front of the fraction.

$- \frac{40500}{π}$

Step 4

$π$ is approximately equal to $3.14159265$ .

$- \frac{40500}{3.14159265}$

Step 5

Convert to a decimal.

$- 12891.55039044 °$