Learn to define what congruent angles are. Discover the congruent symbol and how to express congruent angles, and see how to draw congruent angles with examples.

Learn how to identify congruent angles, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Learn how to construct congruent angles, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Some of the angles formed by parallel lines and transversals are congruent, namely: corresponding, interior alternate, exterior alternate, and vertical angles. Let's see why this …

Learn about congruent triangles in this informative video lesson. Explore their parts and discover real-world examples to reinforce your knowledge, followed by a quiz.

Explore the theorems of complementary angles in this informative video lesson. See examples of this concept, along with an optional quiz for practice.

What are supplementary angles? Learn the definition and properties of supplementary angles, and see the theorems related to supplementary angles with examples.

What is a Congruent Shape? Understanding the meaning of congruent and the symbol for congruent, how are shapes congruent? In geometry, congruent can be used with shapes, …

Learn to define complementary, supplementary, vertical, and adjacent angles. Discover how to find these angles and what two of each angle add up...

Learn about angles in parallel lines. Understand how to prove lines are parallel. Read about proving lines are parallel using parallel line rules and practice examples.