☰ Contents · Geometry

Chapter II review

Lessons 18 · 1 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
Adjacent angles are in ratio 4 : 5. Find the smaller (degrees).
2
Two lines intersect and one angle is 25°. Find the largest angle (degrees).
3
OC bisects ∠AOB = 144°. Find ∠AOC (degrees).
4
At 11:00 what is the smaller angle between the hands (30° per hour)?
5
Explain the difference between vertical and adjacent angles in your own words.