☰ Contents · Geometry

Parallel lines and a transversal

Lessons 29–30 · 2 lessons · Geometry Grade 7, corrected and expanded 3rd edition. Yangiyo‘l Poligraf Servis, Tashkent, 2017 (approved by the Ministry of Public Education)
Answers are for parents and teachers.
1
∠3 and ∠5 are equal alternate interior angles, ∠3 = 98°. Find ∠4 (adjacent to ∠3) in degrees.
2
Corresponding angles ∠2 = ∠6 = 64°. Find ∠3 (adjacent to ∠2) in degrees.
3
a ∥ b, b ∥ c, c ∥ d. What can be said about a and d?
4
Give 3 examples of parallel lines around you.
5
List the pairs of same-side interior angles among the eight angles.