Quadrilateral congruence SSSAA counterexample
- Author:
- mangomichael
- Topic:
- Congruence, Quadrilaterals
Counterexample of SSSAA congruence condition for quadrilaterals
This construction shows two non-congruent quadrilaterals which fulfil the condition SSSAA. Slide the uppermost point across to its right-hand limit to show the second quadrilateral. Thick lines represent known side lengths; thick angle markers represent known angles.