Quadrilaterals Playground

Explore how different quadrilaterals are formed by combining two diagonal line segments.

Diagonal 1

Diagonal 2

Sides

Quadrilateral

Diagonal 1 Length 200

Diagonal 2 Length 200

Intersection on D1 (Bisect Ratio) 0.5

Intersection on D2 (Bisect Ratio) 0.5

Angle between Diagonals 90°

Quick Presets:

Click on any of the geometric shapes above to see why it belongs to specific categories, and why it is distinct from others.

The Sum of Angles

Drag the blue vertices (A, B, C, D) around. Notice how the internal angles dynamically change.

∠A 90°

∠B 90°

∠C 90°

∠D 90°

Sum 360°

Draw Diagonal AC (Split into Triangles)