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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