Quadrilateral Names and Angle Sum (Interior and Exterior)

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

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

Graphical solution of ax² + bx + c = k
Graph of y = ax² + bx + c
Triangle Flexer
Untitled
Level Curves

Discover Resources

catapult project
subtropical-single-graph
slope fields
Cópia de tangram 3

Discover Topics

Linear Functions
Optimization Problems
Congruence
Polynomial Functions
Expected Value