Answer:
[tex]\frac{5\pi }{4}[/tex]
Step-by-step explanation:
To convert from degree to radian measure
radian measure = degree measure × [tex]\frac{\pi }{180}[/tex]
Hence
radian measure = 225 × [tex]\frac{\pi }{180}[/tex] = [tex]\frac{225\pi }{180}[/tex] = [tex]\frac{5\pi }{4}[/tex]
