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

Simple example: Colored circle
A 3D Problem about Shadow
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Graphing a Circle in Polar Coordinates
Tracing r = 2 cos(θ)

Discover Resources

Lissajous Art
מטלה לחישוב שטף חשמלי
Chapter 2.06
ตัวอย่างพีระมิด
Αντιγραφή του Exploring negative numbers - Elevator model

Discover Topics

Tangent Function
Division
Interest Calculation
Linear Programming or Linear Optimization
Plane Figures or Shapes