Quadrilaterals

Exploring Quadrilaterals

This is an exploration into quadrilaterals. A specific type of quadrilateral can be selected with the check boxes, and any blue dots on each quadrilateral can be dragged to change the shape.

Quadrilateral Exploration

New Resources

Proving Triangles Similar by Dilation
bewijs stelling van Pythagoras
apec
Thales' Intercept Theorem
Inversión esférica de nudos: el nudo trébol y el nudo ocho

Discover Resources

Analyzing Graphs of f(x), f '(x), f ''(x), f '''(x)
Week 2 Stuff
Chord, Secant, and Tangent
Analog Clock and Partitioned Circles 2
Enlargement Investigation

Discover Topics

Straight Lines
Functions
Cosine
Sequences and Series
Arithmetic