Instructional Video1:18
Curated Video

Converse Pythagorean Theorem

9th - 11th
A video entitled "Converse Pythagorean Theorem" that covers how to test if triangle side lengths make a right triangle.
Instructional Video1:54
Curated Video

Real-Life Problems

9th - 11th
A video entitled "Real-Life Problems" which talks about right triangle situations in life.
Instructional Video2:00
Curated Video

Examine Unknown Triangles

9th - 11th
A video entitled "Examine Unknown Triangles" that covers how to use the distance formula and the converse of the Pythagorean theorem to see if triangles are right triangles.
Instructional Video1:30
Curated Video

Use Pythagorean Theorem

9th - 11th
A video entitled "Use Pythagorean Theorem" which gives real-life situations where the Pythagorean theorem can apply.
Instructional Video9:49
Curated Video

Applications of Quadratics 2

6th - Higher Ed
In this video, we do two quadratics word problems. The first involves two square and their areas. The second involves a right triangle with polynomial side lengths.
Instructional Video2:05
Wonderscape

Understanding Perimeter and Area of Triangles

K - 5th
The area of a triangle is always calculated using the formula 1/2 × base × height, regardless of whether it is a right, scalene, isosceles, or equilateral triangle. Perimeter and area have practical applications, such as determining the...
Instructional Video4:36
Wonderscape

Calculating the Area of a Triangle

K - 5th
To determine the area of a triangle, you use the formula: Area = 1/2 × Base × Height. This formula works because a triangle is essentially half of a rectangle or square. By identifying the base (the bottom side) and the height (the...
Instructional Video4:29
Wonderscape

Finding the Perimeter of a Triangle: Simple Steps and Applications

K - 5th
To determine the perimeter of a triangle, you simply add the lengths of its three sides. Whether it’s a scalene triangle with different side lengths, an isosceles triangle with two equal sides, or an equilateral triangle where all sides...
Instructional Video3:09
Wonderscape

Classifying Triangles by Their Angles: Acute, Right, and Obtuse

K - 5th
Triangles can also be classified based on their angles. An acute triangle has all three angles less than 90 degrees, a right triangle has one angle exactly 90 degrees, and an obtuse triangle has one angle greater than 90 degrees. No...
Instructional Video2:31
Curated Video

Types of Triangles

3rd - Higher Ed
This video will explain the four types of triangles and their properties: right-angled, equilateral, isosceles and scalene triangles. Practice questions are at the end of the video.
Instructional Video4:09
Curated Video

Using the Converse of the Pythagorean Theorem

9th - 12th
In this math video we will solve a math problem using the converse of the Pythagorean Theorem. We will understand the if the longest side of a triangle squared is equal to the sum of each square of the remaining two sides, then the...
Instructional Video1:34
Curated Video

Pythagoras' Theorem Visualised

3rd - Higher Ed
Pythagoras' Theorem Visualised! How does the Pythagorean Theorem work? This video will show you how with a visual animated visualisation.
Instructional Video6:15
Curated Video

Common Types of Triangles

K - 8th
Mr. Addit defines the terms; right triangle, hypotenuse, legs, equilateral, equiangular, isosceles, scalene, equiangular, obtuse, and acute.
Instructional Video3:50
Curated Video

Area, Right Triangle: T-Chart

K - 8th
Find the Area of a Right Triangle Using a T-Chart finds the area of a right triangle by using a T chart to describe both the mathematical operations and the written explanations.
Instructional Video5:21
Curated Video

Pythagorean Theorem

K - 8th
"Pythagorean Theorem" will show that the area of two squares (sides A and B) equals the area of square (side C).
Instructional Video3:13
Curated Video

The Pythagorean Theorem and the Coordinate Plane

9th - 12th
In this video, the teacher explains how to use the Pythagorean theorem in the coordinate plane to find the length of a segment. They walk through the steps of identifying the right triangle, finding the values of the legs, plugging them...
Instructional Video4:42
Curated Video

Use Pythagorean Theorem to Create an Equation

9th - 12th
In this video, the Pythagorean Theorem is explained and applied to solve a real-world problem involving a ladder leaning against a building. The viewer is guided through the process of creating an equation using the given measurements...
Instructional Video1:23
Visual Learning Systems

Perimeter and Area: Summing Up (Perimeter and Area)

9th - 12th
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...
Instructional Video4:23
Flipping Physics

Common Point Particle Angular Momentum Triangle

12th - Higher Ed
The #AngularMomentum of a #PointParticle moving at a constant velocity is shown to be constant.
Instructional Video14:46
Flipping Physics

Center of Mass by Integration (Rigid Objects with Shape)

12th - Higher Ed
How to find the center of mass of rigid objects with shape using an integral is shown. The center of mass of a right triangle is derived and demonstrated. Want Lecture Notes and/or Animated GIFs?...
Instructional Video1:50
Brian McLogan

Learn how to show that a line is tangent to a circle by applying the quadratic formula

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video5:19
Brian McLogan

Using triangles to evaluate for compositions of inverse functions

12th - Higher Ed
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video8:49
Brian McLogan

Review of how to set up a point to evaluate six trigonometric functions

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Instructional Video5:40
Brian McLogan

Tutorial for evaluating the six trig functions given a coordinate point

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...