Concept — Criteri congruenza.
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08
Linked atoms
15 linked atoms.
08 Fondamenti di geometria euclidea
- A scheme for proofs
- Applying the scheme
- Base angles of the isosceles triangle
- Bisector, median and altitude
- Congruence criteria for right triangles
- Diagonals that bisect each other and parallelogram
- Perpendicular bisector of a segment
- Problem — Congruence with the altitudes
- Proofs using parallelism
- The exterior angle is greater than the non-adjacent interior angles
- The first congruence criterion
- The perpendicular bisector as a locus
- The second congruence criterion
- The third congruence criterion
- Vertically opposite angles