Answer:
[tex]\dfrac{5\pi}{4}\text{ radians}[/tex]
Step-by-step explanation:
180° = π radians
[tex]\angle = 225^{\circ} \times \dfrac{\pi\text{ radians}}{180^{\circ}} = \mathbf{\dfrac{5\pi}{4}\textbf{ radians}} \approx \text{3.927 radians}[/tex]
