Geometry
Tools of Geometry
Points Lines & Planes in Geometry
More Postulates & Theorems Points, Lines, & Planes
Segment, Ray, Distance on a Number Line
Introduction to Angles
Basic Constructions Segment & Angle
Angle and Segment Bisector Constructions
Distance, Pythagorean Theorem, Midpoint, Perimeter and Area of a Plane Region
Distance Formula & Pythagorean Theorem
Reasoning and Proofs
Deductive Reasoning If Then Statements
Intro to 2 Column Geometry Proofs
Lines and Angles
Parallel Lines & Skew Lines, Angles formed by a Transversal
Parallel Lines & Transversal Angles.mov
Parallel & Perpendicular Lines Proof
Angles of Triangles and Parallel Lines
Equations of Lines
Graphing Lines in Slope-Intercept form y=mx+b
Rate of Change Slope & Point Slope Equation of Lines
Equations of Lines and Graphing
Equations of parallel and perpendicular lines
Congruent Triangles
Congruent Polygons & Third Angle Theorem
Non Congruence Theorems AAA SSA
CPCTC Corresponding Parts of Congruent Triangles are Congruent
Isosceles & Equilateral Triangle Properties
Equilateral Equiangular Triangles
Congruent Right Triangles HL Hypotenuse Leg Theorem.mov
Relationships Within Triangles
Perpendicular Bisector Theorem
Triangle Perpendicular Bisectors & Circumcenter
Triangle Angle Bisectors & Incenter
Medians of Triangles & Centroid
Altitudes of Triangles and Orthocenter
Hinge Theorem Inequalities 2 Triangles
Polygons and Quadrilaterals
Proving Quadrilaterals are Parallelograms
Rhombuses, Rectangles, and Squares
More Examples Rhombus & Rectangle
Properties of Trapezoids & Mid Segment Theorem
Similarity
Proving Triangles are Similar AA SAS SSS
Side Splitter Theorem Proportions in Triangles
Proportions in Triangles Angle Bisector
Right Triangles and Trigonometry
Converse Pythagorean Theorem & Triples
Special Right Triangles 45-45-90 30-60-90
Right Triangle Trigonometry Part 1
Right Triangle Trigonometry Part 2
Angle of Elevation and Depression Right Triangle Trig
Finding Area
Area Parallelograms and Triangles
Area of Regular Polygon Introduction with Hexagon Examples
Area Regular Polygons with Trigonometry
Perimeter and Area of Similar Figures
Circles: Intro, Arc Length, Sector and Segment Area
Sector and Segment Area in Circles
Segment Area in Circles Quicker Methods
Geometric Probabilities Length
Finding Surface Area
Surface Area of a Regular Pyramid Non-Trig Examples
Surface Area of a Pyramid with Trigonometry
Finding Volume
Volume of a Prism & Volume of a Cylinder
Volume of a Pyramid 3 Examples
Surface Area of a Sphere & Volume of a Sphere
Circles: Tangents, Chords, Secants, Arcs, Angles, Segments
Given a Tangent Line & Circle Find the Point of Tangency
Chords Arcs and Diameters in Circle
Inscribed Angles in Circles and Tangent Lines
Angles in Circles Chords Secants Tangents and Arcs
Segments Lengths in Circles with Chords, Secants, and Tangents