Question

angle a and angle b are two alternate angles of parallel lines of angle a =70°,the angle b =___?​

Answer 1

Answer:

b=70

because alternate angles are congruent

Answer 2

Answer:

Angles that are in the area between the parallel lines like angle H and C above are called interior angles whereas the angles that are on the outside of the two parallel lines like D and G are called exterior angles. Angles that are on the opposite sides of the transversal are called alternate angles e.g. H and B.

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