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

Introduction to Angles

Special Angle Pairs

Basic Constructions Segment & Angle

Angle and Segment Bisector Constructions

Distance, Pythagorean Theorem, Midpoint, Perimeter and Area of a Plane Region

Distance Formula & Pythagorean Theorem

Midpoint Formula

Perimeter of a Plane Region

Area of a Plane Region

Reasoning and Proofs

Deductive Reasoning If Then Statements

Intro to 2 Column Geometry Proofs

Congruent Angles

Lines and Angles

Parallel Lines & Skew Lines, Angles formed by a Transversal

Parallel Lines & Transversal Angles.mov

Proving Lines Parallel

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

Congruent Triangles SSS SAS

Congruent Triangles ASA AAS

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

Triangle Midsegment Theorem

Proving Midsegment Theorem

Perpendicular Bisector Theorem

Angle Bisector Theorem

Triangle Perpendicular Bisectors & Circumcenter

Triangle Angle Bisectors & Incenter

Medians of Triangles & Centroid

Altitudes of Triangles and Orthocenter

Triangle Inequality Theorem

Hinge Theorem Inequalities 2 Triangles

Polygons and Quadrilaterals

Polynomial Angle Sum Theorems

Properties of Parallelograms

Proving Quadrilaterals are Parallelograms

Rhombuses, Rectangles, and Squares

More Examples Rhombus & Rectangle

Properties of Trapezoids & Mid Segment Theorem

Properties of Kites

Polygons in Coordinate Plane

Similarity

Ratios & Proportions

Similar Polygons

Proving Triangles are Similar AA SAS SSS

Similarity in Right Triangles

Side Splitter Theorem Proportions in Triangles

Proportions in Triangles Angle Bisector

Right Triangles and Trigonometry

Pythagorean Theorem

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 Trapezoid Rhombus Kite

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

Circle Intro and Arc Length

Sector and Segment Area in Circles

Segment Area in Circles Quicker Methods

Geometric Probabilities Length

Geometric Probabilities Area

Finding Surface Area

Surface Area of a Right Prism

Surface Area Of a Cylinder

Surface Area of a Regular Pyramid Non-Trig Examples

Surface Area of a Pyramid with Trigonometry

Surface Area of a Cone

Finding Volume

Volume of a Prism & Volume of a Cylinder

Volume of a Pyramid 3 Examples

Volume of a Cone 3 Examples

Surface Area of a Sphere & Volume of a Sphere

Circles: Tangents, Chords, Secants, Arcs, Angles, Segments

Tangent Lines to Circles

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