☰ Contents · Geometry

Problem solving and Chapter IV review

Lessons 35–36 · 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
a ∥ b. Alternate interior angles 7x − 12° and 4x + 18°. Find x.
2
a ∥ b. Same-side interior angles 3x and 5x. Find the larger (degrees).
3
Two angles have respectively parallel sides; one is 52° (acute). If the other is also acute, find it.
4
State the three theorems for parallel lines and a transversal.
5
Write one theorem of Chapter IV and its converse.