Lines 1 || m, then Zz= a. 120 b. 60 c. 180 d. 90
1 answer:
You might be interested in
Check the picture below.
for "b", well, recall that the sum of all interior angles in a triangle is 180°.
for "a", "c" and "d", well, all those are just <u>intercepted arcs</u>.
