Question

320In the diagram above, L1 = 40°.Find the measure of 22.22 = [?]°ta

Answer 1

Due to you have two parallel lines crossed by a secant line, angles 1 and 2 are congruent (these angles are left side of the secant and above of the parallel lines).

Then, m<1 = m<2 = 40°

Hence

<2 = 40°