# Uses of AngLegs

- Building and naming triangles that are acute, obtuse, right, scalene, isosceles, or equilateral
- Measuring angles
- Building quadrilaterals, such as trapezoids, rhombuses, etc.
- Sum of interior angles of a triangle
- Scale factor
- Similar triangles
- Precursor to the triangle inequality
- Making the conjecture that the opposite angles of a parallelogram are congruent
- Naming polygons by number of sides or angles
- At this time, Feb 6, 2022, no YouTube videos exist on this topic.