Lines and Angles

This chapter teaches you about the basic yet most important definitions of geometry. The main concepts include Pairs of Angles, Linear Pair Axioms, Parallel Lines and Transversal, Lines Parallel to Same Line and Angle Sum Property of A Triangle.

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Created by School Prep . Last updated Thu, 25-Mar-2021 English
Curriculum for this course
19 Lessons 21:06:45 Hours
Pair of angles
4 Lessons
  • Complementary & supplementary angles 00:03:06
  • Angle relationships example 00:07:06
  • Vertical angles are congruent proof 00:04:35
  • Quiz 1 5
  • Angles, parallel lines, & transversals 00:03:08
  • Parallel & perpendicular lines 00:03:52
  • Missing angles with a transversal 00:05:46
  • Parallel lines & corresponding angles proof 00:03:39
  • Missing angles (CA geometry) 00:10:59
  • Proving angles are congruent 00:05:12
  • Quiz 2 4
  • Quiz 3 4
  • Lines parallel to the same line 00:12:36
  • Quiz 4 4
  • Angles in a triangle sum to 180° proof 00:03:09
  • Triangle exterior angle example 00:03:37
  • Quiz 5 3
  • Revision Notes
  • Question Bank
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