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

Untitled
Random Polar Curve (3)
Viviani's Curve
Some random function
Model sferyczny - dwunastościan-dwudziestościan

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Double Angle Integral
Figure 16.4a_ No external market
Number line for adding and subtracting
Dilate a circle about its center

Discover Topics

Polygons
Incircle or Inscribed Circle
Normal Distribution
Line Segment
Congruence