Parallelograms Opposite Angles are Congruent

In today's geometry lesson, we will prove that in parallelograms, the two pairs of opposite angles are congruent.

Angles of a Parallelogram: Properties, Theorems & Proofs

Parallelograms CK-12 Foundation

What is a Parallelogram? (Definition & Properties)

Inscribed quadrilaterals proof (video)

The prefix Tri means 3. Triangle Trilogy Tricycle Trilingual

A quadrilateral that has opposite sides congrueng opposite sides parallel and opposite angles congruent is

2.8.2 Parallelograms (Including Special)

Angles of a Parallelogram- Theorems, Proofs, Properties

SOLVED: Title: Properties and Missing Measures of Parallelograms