Classifying Quadrilaterals

Autore: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.

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立体几何-公理3及推论
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Difference engine Babbage vb 2
רישום חופשי
Padel rebound angle (ignoring spin)

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Example 3
deployement
Problem2
Function Defined by Definite Integral
proof
تساوي وتوازي

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Numeri
Piramide
Distribuzioni
Rette secanti
Solidi o forme 3D