Angles and Triangles | Year 9 Maths | MaffsGuru.com
Angles and Triangles | Year 9 Maths | MaffsGuru.com
**
This video is the first in a series on Geometry. This one looks at Angles and Triangles which is part of the Year 9 course. Designed as an recap of the work which has been covered in previous years, it's a short video filled with really important information. This will form the foundation for the work which is to come. There are lots of worked examples and the theory is explained in an easy to understand way.
**
00:10 Welcome
01:13 Learning objectives
01:28 Recap of past learning
02:49 Types of triangles
04:22 Exterior angles of a triangle
05:38 Finding supplementary and complementary angles
06:43 Finding unknown angles in triangles
08:29 Finding exterior angles and other angles
10:16 Final words
This maths video has been created for courses which are delivered in Australia but, as Maths is a constant, it is equally helpful for students in the USA, UK and other countries who are looking for good maths videos for both high school and middle school.