Geometry
Essential Mathematics Year 9
Downloadable Lesson notes
Chapters
Welcome
Learning objectives
Recap of past learning
Congruence means: The same size and shape
Correspong sides and congruence notation
The 4 tests for Congruence
Congruence: Side, Side, Side (SSS)
Congruence: Side, Angle, Side (SAS)
Congruence: Angle, Angle, Side (AAS)
Congruence: Right Angle, Hypotenuse, Side (RHS)
Example 1: Choosing a congruence test
Example 2: Choosing a congruence test
Example 3: Choosing a congruence test
Example 4: Choosing a congruence test
Example 5: Finding the missing side lengths and angles using congreunce
Example 6: Finding missing side lengths and angles using congruence
Final words
Description
This is another video in the Year 9 series looking at Geometry. And what a video it is! Congruent triangles seems to be something which confuses a lot of people. Well, don't be confused any more. This video looks at what congruence is and how to use the 4 congruence rules; SSS, SAS, AAS and RHS. There are lots of worked examples which are used to frame the easy to understand theory.
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side ange side (SSS) congruence
side ange side (SAS) congruence
angle angle side (AAS) congruence
right angle hypotenuse side (RHS) congruence
congruence rules
congruence statement
congruent triangles