Classifying Quadrilaterals

Author:Christina Jackson, Anthony OR 柯志明

Classify quadrilaterals A to T. (Click a quadrilateral at the right, then click the quadrilaterals A to T in the same class.) Drag and rotate (the red point) the ruler to measure lengths and right angles.

New Resources

挂谷问题——三尖瓣形
Absolute Value Functions f(x)=a |x - h| + k
Quadrant Illustrator 2
Isosceles Right Triangle
Parabolas, Lines and Nomograms

Discover Resources

SAS-1
Proportions in a Triangle 3
Circle Theorems
Slike
Geometric Bird

Discover Topics

Line Segment
General Quadrilateral
Correlation
Distributions
Vectors