3.4 – Proving Lines Parallel. Reasons:. Corresponding Angles Converse – If two lines are cut by a transversal so that the corresponding angles are congruent, then the two lines are parallel

By4.5 Using Congruent Triangles. Geometry. Objectives:. Use congruent triangles to plan and write proofs. Use congruent triangles to prove constructions are valid. Assignment:. Pgs. 232-234 #1-21 all. Planning a proof.

By4.5 Using Congruent Triangles. Objectives/Assignment. Use congruent triangles to plan and write proofs Use congruent triangles to prove constructions are valid Assignment: 2-18 even, 26-36 even. Goal 1: Planning a Proof.

By4.5 Using Congruent Triangles. Geometry Mr. Davenport Fall 2009. Objectives:. Use congruent triangles to plan and write proofs. Use congruent triangles to prove constructions are valid. Planning a proof.

ByCorresponding Angles Postulate. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent. 1. 2. 1 ≅ 2. Alternate Interior Angles. If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent. 3. 4.

By4.5 Using Congruent Triangles. Geometry Mrs. Spitz Fall 2004. Objectives:. Use congruent triangles to plan and write proofs. Use congruent triangles to prove constructions are valid. Assignment:. Pgs. 232-234 #1-21 all. Planning a proof.

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