Lumos Video Store
This page provides a list of educational videos related to Tests for Parallelograms. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Tests for Parallelograms.
Proof: Diagonals of a parallelogram bisect each other | Quadrilaterals | Geometry | Khan Academy
By Khan Academy
This video shows us how we can show that the diagonals of a parallogram bisect each other, and that any quadrilateral whose diagonals bisect each other MUST be a parallelogram.
Finding area of Parallelogram using determinants. - YouTube
By TheCalculusGeek
Finding area of Parallelogram using determinants. - YouTube
Determinant and area of a parallelogram | Matrix transformations | Linear Algebra | Khan Academy
By Khan Academy
Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix. All Khan Academy content is available for free at www.khanacademy.org
Parallelogram on the coordinate plane
By Khan Academy
Remember our discussion of the coordinate plane? Sure you do! Let's graph the given coordinates of three of the polygon vertices and find where the 4th vertex is.
What is a Rectangle?
By Linda Yollis
Third grade tutorial about the rectangle. A square is a rectangle but a rectangle is not a square.
Rectangle area as product of dimensions same as counting unit squares | Pre-Algebra
By Khan Academy
Use unit squares to see why multiplying side-lengths can also find the area of rectangles. ������������������������
Rectangle area as product of dimensions same as counting unit squares
By Khan Academy
Use unit squares to see why multiplying side-lengths can also find the area of rectangles. ������������������������
Measuring the same rectangle with different unit squares
By Khan Academy
Find area of a rectangle with different sized units.
2nd Grade Math Compilation
By
2nd Grade math is fun with these learning videos! Each lesson can help students with word problems, math games or help prepare for a test! Great for a review of 2nd grade or for an introduction!