A box is sitting on a ramp with a coefficient of static friction of 0.7. Which of the following is closest to the smallest ramp angle for which the box will begin to slide down the ramp?

W) 30\({}^{\circ}\)

X) 35\({}^{\circ}\)

Y) 45\({}^{\circ}\)

Z) 60\({}^{\circ}\)
X) 35\({}^{\circ}\)