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Mr. DeJarlais's Geometry Page
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Chapter 10: Surface Area and Volume
Day 1 - Prisms and Cylinders
Day 2 - Pyramids and Cones
Day 3 - 10-7 Surface Areas and Volumes of Spheres
Day 4 - 10-8 Areas and Volumes of Similar Solids
Chapter 11: Circles
11-1 Tangent Lines
11-2 Chords and Arcs
11-3 Inscribed Angles
11-4 Angle Measures and Segment Lengths
11-5 Circles in the Coordinate Plane
Chapter 1: Tools of Geometry
1-1 Patterns and Inductive Reasoning
1-2 Points, Lines, and Planes
1-3 Segments, Rays, Parallel Lines and Planes
1-4 Measuring Segments and Angles
1-6 The Coordinate Plane
Chapter 2: Reasoning and Proof
2-1 + 2-2 Conditionals and Biconditionals
2-3 Deductive Reasoning
2-4 Reasoning in Algebra
2-5 Proving Angles Congruent
5-4 Inverses, Contrapositives, and Indirect Reasoning
Chapter 3: Parallel and Perpendicular Lines
3-1 Properties of Parallel Lines
3-2 Proving Lines Parallel
3-3 Parallel Lines and the Triangle-Angle Sum Theorem
3-4 The Polygon Angle-Sum Theorem
3-5 Lines in the Coordinate Plane
3-6 Slopes of Parallel and Perpendicular Lines
5-5 Inequalities in Triangles
Chapter 4: Congruent Triangles
4-1 + 4-2 Congruent Figures and Triangle Congruence by SSS and SAS
4-3 Triangle Congruence by ASA and AAS
4-4 Using Congruent Triangles - CPCTC
4-5 Isosceles and Equilateral Triangles
4-6 Congruence in Right Triangles
4-7 Using Corresponding Parts of Congruent Triangles
Chapter 6: Quadrilaterals
6-1 Classifying Quadrilaterals
6-2 Properties of Parallelograms
6-3 Proving that a Quadrilateral is a Parallelogram
6-4 Special Parallelograms
6-5 Trapezoids and Kites
6-6 + 6-7 Quadrilaterals in the Coordinate Plane
Chapter 7: Area
7-1 Areas of Parallelograms and Triangles
7-2 Simplifying Radicals and the Pythagorean Theorem
7-2 The Converse of the Pythagorean Theorem
7-3 Special Right Triangles
7-4 Areas of Trapezoids, Rhombuses, and Kites
7-5 Areas of Regular Polygons
7-6 Circles and Arcs
7-7 Areas of Circles and Sectors
7-8 Geometric Probability
Chapter 8: Similarity
8-1 + 8-2 Ratios and Proportions; Similar Polygons
8-3 Proving Triangles Similar
8-4 Similarity in Right Triangles
8-5 Proportions in Triangles
8-6 Perimeters and Areas of Similar Figures
Chapter 9: Right Triangle Trigonometry
9-1 + 9-2 Sine, Cosine, and Tangent
9-3 Angles of Elevation and Depression
9-5 Trigonometry and Area
Mr. DeJarlais's Geometry Page
6-3 Proving that a Quadrilateral is a Parallelogram
6-3.mp4
6-3 Proving that a Quadrilateral is a Parallelogram.pdf
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6-3.mp46-3 Proving that a Quadrilateral is a Parallelogram.pdf6-3.mp46-3 Proving that a Quadrilateral is a Parallelogram.pdf