# Triangles

In this chapter, you will be introduced to the concept of similar triangles and the different criteria by which the similarities can be established, Basic proportionality theorem, Pythagoras theorem, and several other important theorems.

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Created by Global Free School Last updated Fri, 02-Oct-2020 English
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Curriculum for this course
20 Lessons 01:50:44 Hours
Definitions of similarity
1 Lessons 00:02:11 Hours
• Similar shapes & transformations 00:02:11
• Intro to triangle similarity 00:09:17
• Triangle similarity postulates/criteria 00:12:14
• Determining similar triangles 00:09:24
• Proving slope is constant using similarity 00:07:56
• Quiz 1 00:00:00
• Solving similar triangles 00:07:37
• Solving similar triangles: same side plays different roles 00:06:05
• Quiz 2 00:00:00
• Using similar & congruent triangles 00:10:07
• Challenging similarity problem 00:09:53
• Quiz 3 00:00:00
• Geometry word problem: the golden ratio 00:08:23
• Geometry word problem: Earth & Moon radii 00:06:23
• Geometry word problem: a perfect pool shot 00:06:49
• Quiz 4 00:00:00
• Pythagorean theorem proof using similarity 00:09:53
• Pythagorean theorem word problem: fishing boat 00:04:32
• Quiz 5 00:00:00
• Revision Notes
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