Geometry
Essential Mathematics Year 9
Introduction
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.
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geometry
angles and triangles
types of triangles
supplementary angles
complementary angles
angles in a triangle
triangle terminology
equilateral triangles
scalene triangles
finding missing angles in triangles
interior angles
exterior angles