parallelogram 10 videos
-
Parallelogram Properties
Geometry Polygons
How to identify all of the special properties of parallelograms and use them to solve problems.
opposite sides parallel opposite angles same side interior angles diagonals bisect consecutive angles rhombus rectangle square -
Area of Parallelograms
Geometry Area
How to find the area of any parallelogram using rectangle area formulas.
area of rectangles base times height -
Area With Determinants
Precalculus Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using a determinant.
parallelogram vectors determinant area -
Area of Trapezoids
Geometry Area
How to derive the area of a trapezoid formula using the area of a rectangle.
trapezoid parallelogram base height -
Area With the Cross Product
Precalculus Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors.
cross product magnitude of vectors dot product angle between vectors area parallelogram -
Writing a Good Definition
Geometry Geometry Building Blocks
How to write a good definition that does not have a counterexample.
definition counterexample classify quantify parallelogram -
Area and Perimeter of Rectangles
Pre-Algebra Introductory Geometry
Overview of area and perimeter formulas for parallelograms and rectangles
-
Deductive Reasoning
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to define deductive reasoning and compare it to inductive reasoning.
deductive reasoning inductive reasoning proof parallelogram -
Rhombus Properties
Geometry Polygons
How to define a rhombus and compare it to a square and rectangle.
rhombus congruent sides parallelogram angle bisectors perpendicular bisectors rectangles diagonals -
Adding Vectors
Precalculus Vectors and Parametric Equations
How to add vectors geometrically two ways.
Displacement Vector Addition Head to Tail Method Parallelogram Method
