Question 22
A rectangular paper strip, white on one side and gray on the other, is folded as shown. What is the measure of angle $\alpha$?
A) $110^\circ$; B) $115^\circ$; C) $120^\circ$; D) $125^\circ$; E) $130^\circ$.
A) $110^\circ$; B) $115^\circ$; C) $120^\circ$; D) $125^\circ$; E) $130^\circ$.