Triangles

This chapter teaches you about the properties of triangles and theorem of inequalities in triangles in addition to the revision of congruence rules.

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Created by School Prep . Last updated Thu, 25-Mar-2021 English
Curriculum for this course
17 Lessons 17:07:51 Hours
Congruence of triangles and the criteria for congruence
5 Lessons
  • Congruent triangles & the SSS postulate/criterion 00:03:14
  • Why SSA isn't a congruence postulate/criterion 00:04:06
  • Determining congruent triangles 00:03:35
  • Angles in a triangle sum to 180° proof 00:03:09
  • Quiz 1 4
  • Geometry proof problem: midpoint 00:04:13
  • Geometry proof problem: congruent segments 00:15:15
  • Geometry proof problem: squared circle 00:08:15
  • Quiz 2 4
  • Proofs concerning isosceles triangles 00:04:39
  • Proofs concerning equilateral triangles 00:04:21
  • Quiz 3 4
  • Triangle inequality theorem 00:02:40
  • Ordering triangle sides and angles example 00:14:24
  • Quiz 4 4
  • Revision Notes
  • Question Bank
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