Geometry - YouTube Videos

• Introduction to angles

• Angles (part 2)

• Angles (part 3)

• Angles of parallel lines

• The Angle Game

• Similar triangles

• Similar triangles (part 2)

• Angle Game (part 2)

• Introduction to the Pythagorean Theorem

• Pythagorean Theorem II

• 45-45-90 Triangles

• Intro to 30-60-90 Triangles

• 30-60-90 Triangles II

• Area and Perimeter

• Circles: Radius, Diameter and Circumference

• Area of a circle

• Herons Formula

• Part 1 of Proof of Herons Formula

• Part 2 of the Proof of Herons Formula

• An inscribed Angle is half of a Central Angle that subtends the same arc

• Area of Inscribed Equilateral Triangle

• Right Triangles inscribed in Circles :Proof

• Area of Diagonal Generated Triangles of Rectangle are Equal

• Deductive Reasoning

• Proof by Contradiction

• More Proofs

• Similar Triangles 1

• Similar Triangles 2

• More on congruent and similar triangles

• Triangles and Parallelograms

• Area, Pythagorean Theorem

• Area, Circumference, Volume

• Pythagorean Theorem, Area

• Exterior Angles

• Deducing Angle Measures

• Pythagorean Theorem - Compass Constructions

• Compass Construction

• Basic Trigonometry

• More Trigonometry

• Circle Area Chords Tangent

• Secants and Translations