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

Rectangle Construction Template (V2)
Slope Between 2 Points (Phase 2)
The Gardener's Ellipse
רישום חופשי
Mondrian's Puzzle

Discover Resources

Properties of parallelograms
sphere
Brief and analytic guidelines for visualising the loci 1st part
Point-Slope Form: Graphing Equations of Lines
Making One Whole Using Fraction Tiles

Discover Topics

Scatter Plot
Definite Integral
Coordinates
Orthocenter
Trigonometric Functions