Quadrilateral Names and Angle Sum (Interior and Exterior)

Topic:Angles, Parallelogram, Quadrilaterals, Rectangle, Rhombus, Square, Trapezium

How to name quadrilaterals. The conditions for naming quadrilaterals. Proof the sum of interior (inside) angles = 360 deg. Proof the other three angles equal exterior angle.

New Resources

Cartesian Notation of a Vector
bewijs stelling van Pythagoras
Assistants (custom GPTs or Gemini Gems) for Math
Limaçons
רישום חופשי

Discover Resources

Parallelogram ABCD
Free Body Diagram: Raising a Mass
Trigonometric Graphs
Concave Mirror Demonstration의 복사본

Discover Topics

Rotation
Prism
Reflection
Pie Chart or Circle Chart
Arithmetic Operations