Concept — Dimostrazione.
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08
Linked atoms
21 linked atoms.
08 Fondamenti di geometria euclidea
- A scheme for proofs
- Applying the scheme
- Base angles of the isosceles triangle
- Bisector, median and altitude
- Congruent opposite angles and parallelogram
- Diagonals that bisect each other and parallelogram
- Perpendicular bisector of a segment
- Proofs using parallelism
- Sum of the interior angles of a polygon
- Sum of the interior angles of a triangle
- The converse theorem
- The exterior angle as the sum of the non-adjacent interior angles
- The exterior angle is greater than the non-adjacent interior angles
- The five most frequent moves
- The logical steps of a proof
- The perpendicular bisector as a locus
- The rhombus and the bisecting diagonal
- The rhombus and the perpendicular diagonals
- The syllogism
- Vertically opposite angles
- What a theorem is