Overview
Drag any of the four vertices and watch sides, angles, diagonals, perimeter, and area update in real time. The tool classifies the shape, square, rectangle, rhombus, parallelogram, trapezoid, kite, as you go.
What you will be able to do
- Demonstrate quadrilateral classification interactively
- Show how angle and side measurements relate
- Reset to preset shapes for a clean start
Step by step
- 01
Open the tool
Sidebar → Teaching tools → Quadrilateral. - 02
Pick a starting shape
Square, rectangle, rhombus, parallelogram, trapezoid, kite, any of the buttons sets the four vertices for you. - 03
Drag a vertex
Watch the side lengths, interior angles, diagonals, perimeter, and area update as you drag. The tool re-classifies the shape on every drag. - 04
Toggle layers
Hide / show angles, sides, or diagonals to focus the class on one property at a time.
Still stuck
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