Question

19. Given that the lines are parallel, what angle is congruent to angle 6?
20. Given that the lines are parallel, what angles are congruent to angle 1?
21. The types of Geometry that mathematicians study are:
A. Euclidean
B. non-Euclidean
C. Both Euclidean and non-Euclidean
D. There are many types

22.Using the figures below, what is the next shape in the pattern?

Answer 1

the answer is B because the opposite would be in the outside

Answer 2

I can help you with the first two problems. Since it's what I've recently studied.
19. Angles 3 and 4 (they are corresponding and alternative interior) are congruent with angle 6.
20. Angles 2 and 5 (corresponding and alternative interior) are congruent with 6.