Geometric Proofs

Geometric Proofs

9th Grade · Math · 30 min

Lesson Preview

Learning Objective

I can write a two-column proof to prove geometric theorems.

  • 1

    A two-column proof includes a statement and a reason for the statement.

  • 2

    If three sides of two triangles are congruent, then the triangles are congruent by the side-side-side postulate.

  • 3

    If two triangles are congruent, then all of their corresponding angles are equivalent.

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