Professor Dave Explains
Types of Quadrilaterals and Other Polygons
Overview of the types of quadrilaterals.
ProTeachersVideo
KS2 Maths for Pupils: The Shape Show
This programme introduces the properties of two-dimensional three and four sided shapes and is split into three sections: In the case of the disappearing shapes an animated sequence takes a look at how the world would be without four...
Curated Video
Congruent Figures
In this video lesson you will learn about congruent figures. We will learn the definition of congruent figures. Students will learn how to identify corresponding sides and corresponding angles to determine if figures are congruent....
Brian McLogan
What are the properties that make up a rectangle
👉 Learn how to solve problems with rectangles. A rectangle is a parallelogram with each of the angles a right angle. Some of the properties of rectangles are: each pair of opposite sides are equal, each pair of opposite sides are...
Curated Video
Introduction to Resultant Forces and Resolving Force Components
This video explains how to find the resultant of two forces acting at an angle to each other and how to resolve a single force into two components. The presenter demonstrates how to use a scale drawing to represent the forces and how to...
Science360
Vectors - Science of NFL Football
"Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League. In this segment, NBC's Lester Holt looks at the role vectors play every time an...
Curated Video
Using Congruent Triangle Criteria to Prove Diagonal Bisecting in a Rhombus
In this video, the teacher explains how to use congruent triangle criteria to prove other things. They provide an example of proving that the diagonals of a rhombus bisect its angles using a two-column proof. By demonstrating the...
Let's Tute
Quadrilateral Theorem - part 1
In this video, we will prove 4 theorems. 1. Diagonals of parallelogram bisect each other. 2. Diagonal of parallelogram divides it into two congruent triangles. 3. Opposite sides of parallelogram are equal,. 4. Opposite angles of...
Curated Video
Finding the Area of Trapezoids by Composing a Parallelogram
In this video, we demonstrate how to find the area of a trapezoid using parallelograms. We emphasize the importance of remembering to find the area of the original trapezoid after decomposing it.
Visual Learning Systems
Perimeter and Area: Area and Triangles
In this series of programs students are introduced to perimeter and area. Easy-to-understand examples enable students to understand the process by which perimeter is calculated. The area of rectangles, parallelograms, and triangles is...
Curated Video
Comparing and Contrasting Quadrilaterals: Similarities and Differences
This video provides a clear and concise guide for understanding and differentiating between types of quadrilaterals. We highlight the similarities and differences between these shapes, emphasizing the shared attributes of parallel sides...
Let's Tute
Area of a Parallelograms
This session explains properties related to area of a parallelogram & Area of triangle there by using that knowledge to solve a problem. What we will learn : 1) Area of a Parallelogram 2) Area of a Triangle
Tarver Academy
6-6 Properties of Kites and Trapezoids - GEOMETRY
In This Episode, Tyler Teaches Us About Properties of Kites and Trapezoids - Geometry
Visual Learning Systems
Introduction to Parallelograms
This video provides a concise explanation of what a parallelogram is and how to calculate its area. It highlights the key properties of a parallelogram, such as equal and parallel sides, and equal opposite angles.
Curated Video
Finding the Area of Polygons by Decomposing
In this video, the teacher explains how to find the area of polygons by breaking them down into familiar shapes such as triangles, rectangles, parallelograms, and trapezoids.
Curated OER
Area of a Parallelogram - Geometry Help
Work the problem shown in this video to learn how to determine the area of a parallelogram. Basic algebra, area, and the Pythagorean Theorem are used to find the missing value and solve the problem of area.
Curated OER
What is the Formula for the Area of a Triangle?
The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to...
Curated OER
What is the Formula for the Area of a Parallelogram?
So you are trying to tell me that a parallelogram is a rectangle in disguise? Wow! And I can use a similar formula of the area of a rectangle to find the area of a parallelogram? Wow! Ok, show me how! A=bh. So simple really.
Curated OER
What is the Formula for the Area of a Triangle?
The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to...
Curated OER
What is the Formula for the Area of a Trapezoid?
Make a parallelogram out of two trapezoids to find the area of one trapezoid? Sounds pretty complicated. Well, it's not complicated but there are a lot of steps. The instructor does a pretty good job of diagramming and explaining just...
Curated OER
How Do You Find the Base of a Parallelogram if You Know the Area and Height?
There are three variables in the formula for a parallelogram. Two of the values are given in this problem. Find the third value. Identify what each of the variables means. Match up the given values to the variables. Then solve for the...
Curated OER
How Do You Find the Area of a Parallelogram?
So you are trying to tell me that a parallelogram is a rectangle in disguise? Wow! And I can use a similar formula of the area of a rectangle to find the area of a parallelogram? Wow! Ok, show me how! A=bh. So simple really.
Curated OER
What is the Formula for the Area of a Circle?
Cut up a circle and make a parallelogram! What? No way! Yes way! Watch the instructor illustrate just how to cut up the circle and get that parallelogram to then get the formula for the area of a circle. It really works! Base,...
Curated OER
What is a Rhombus?
A closed figure with four sides means it's a quadrilateral. Each of the different types of quadrilaterals have special properties. The instructor in this video explains the special properties of a rhombus. Parallel sides and congruent...