## Geometry

Below tutorials are from Khan Academy -
Lines
Learn what lines, line segments, and rays are and how to use them.
Lines, line segments, and rays
Measuring segments
Parallel and perpendicular
Points, lines, & planes
Geometric definitions
The golden ratio
Angles
In this topic, we will learn what an angle is and how to label, measure and construct them. We will also explore special types of angles.
Angle introduction
Measuring angles
Constructing angles
Angles in circles
Angle types
Vertical, complementary, and supplementary angles
Angles between intersecting lines
Sal's old angle videos
Shapes
Classify shapes and solve problems using what we know of the properties of shapes