Geometry | Unit 2 | Lesson 12: Proofs about Quadrilaterals | Practice Problems

• Corresponding angles are congruent when parallel lines are cut by a transversal.

• Opposite angles in a parallelogram are congruent.

• Vertical angles are congruent.

• The base angles of an isosceles triangle are congruent.

Which of the following criteria always proves triangles congruent? Select all that apply.

• Corresponding congruent Angle-Side-Angle

• Corresponding congruent Side-Angle-Side

• Corresponding congruent Side-Side-Angle

• 3 congruent sides

• 2 congruent sides

Select all true statements based on the diagram.