If the M = 2 Fringe in Young's Double-Slit Experiment $\lambda$

If the m = 2 fringe in Young's double-slit experiment occurs at an angle of 45.0°, what is the relationship between the wavelength $\lambda$ and the distance between slits, d?

A) d = 2.00 $\lambda$
B) d = 2.83 $\lambda$
C) d = 1.41 $\lambda$
D) d = 4.00 $\lambda$