Answer
$$7.854$$
Work Step by Step
We know that there are pi radians per 180 degrees. Thus, we find:
$$=450^{\circ} \times \frac{\pi\ radians}{180^{\circ}}=7.854$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.