Instructional Video1:10
Curated Video

Pythagorean Theorem Is Useful

9th - 11th
A video entitled "Pythagorean Theorem is Useful" which talks about right triangle situations where it's appropriate to use the Pythagorean theorem.
Instructional Video4:04
Curated Video

Missing Side of a Right Triangle

9th - 12th
In this math video we will determine the possible lengths of the missing side of a right triangle. We will be given two side lengths and asked to determine two possible lengths for the third side. We will understand that the Pythagorean...
Instructional Video5:48
Curated Video

Pythagoras’ Theorem Explained

3rd - Higher Ed
Pythagoras' Theorem Explanation: This video is an introduction lesson for Pythagoras' Theorem. Why is it useful to know Pythagoras' Theorem? What is a hypotenuse? Watch this video to find out. Practice questions and answers are at the...
Instructional Video2:31
Curated Video

GCSE Maths - All the Trigonometry Equations you Need To know! #119

9th - Higher Ed
This video covers the basics of trigonometry. We cover the different equations you need to know to be able to fine missing sides, missing angles or areas of both non-right angle and right angle triangles.



This video is...
Instructional Video7:33
Brian McLogan

Quick Special Right Triangles Review

12th - Higher Ed
In this video we are going to explore how to find the missing measures of a right triangle using special right triangles



⭐️ Quick Pythagorean Triple Review -    • Quick Pythagorean Tripl
e Review  
⭐️ Quick Trigonometric...
Instructional Video7:14
Curated Video

Finding Missing Lengths and Solving Perimeter Word Problems

K - Higher Ed
In this video, the teacher explains how to find the missing side length of different shapes when the perimeter is given. Through examples and equations, students learn to add up the known side lengths and solve for the unknown length....
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...
Instructional Video5:33
Curated Video

Finding Length of Unknown Sides: Area and Perimeter of Rectangles

K - 5th
In this video, we learn how to find the area and perimeter of a rectangle when the length of every side is not known. The teacher explains the formulas for calculating perimeter and area, and demonstrates how to use these formulas to...
Instructional Video1:22
Brian McLogan

Determining the scale factor of two quadrilaterals

12th - Higher Ed
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Instructional Video6:39
Curated Video

Finding Missing Measures in Triangles

K - 5th
In this video, the teacher explains how to find missing measures in triangles using congruence and similarity criteria. They cover different congruence criteria, such as side-side-side and angle-side-angle, as well as similarity criteria...
Instructional Video1:42
Brian McLogan

How to determine the reduction scale factor for two parallelograms

12th - Higher Ed
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Instructional Video9:13
Brian McLogan

What are the special segments of similar triangles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video14:48
Brian McLogan

Set up your triangle three different ways to evaluate six trig functions

12th - Higher Ed
👉 Learn how to determine the quadrant given the constraint. The plane is divided into four equal parts called the quadrants with the region between the positive x-axis and the positive y-axis called the 1st quadrant having angles 0 to 90...
Instructional Video14:33
ATHS Engineering

Introduction to Trigonometry for Calculating Forces in Trusses

9th - Higher Ed
This video teaches basic trigonometry concepts needed to calculate forces in trusses, using the mnemonic "SOHCAHTOA" to remember the sine, cosine, and tangent equations. The video provides examples of how to use these equations to...
Instructional Video52:53
Brian McLogan

How to set up trig word problems | 26 Examples

12th - Higher Ed
In this video I show you how to set up an equation and picture from a word problem. Most of the time students have trouble with word problems because they do not know what to look for or how to solve. So I work through 28 different...
Instructional Video1:52
Brian McLogan

Geometry -Solve the missing length using the triangle bisector theorem

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video2:21
Brian McLogan

Determining parallel lines using the proportionality theorem of parallel lines

12th - Higher Ed
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Instructional Video2:51
FuseSchool

Sine Or Cosine Rule?

6th - Higher Ed
Not every triangle is a right-angle triangle, so we can't always use Pythagoras and SOHCAHTOA to find missing sides and missing angles. We instead use the sine rule or the cosine rule. They can both be used to find either missing...
Instructional Video4:38
FuseSchool

SOHCAHTOA - Finding Missing Sides PART 1

6th - Higher Ed
In this video we will discover how to find the missing side of a right angle triangle using SOHCAHTOA.



You should already know which side is the opposite, adjacent and hypotenuse. Sin, cos and tan are ratios between...
Instructional Video2:16
Brian McLogan

How to determine the scale factor for the dilation of two triangles

12th - Higher Ed
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Instructional Video20:56
Brian McLogan

What you need to know | Applications of Trigonometry

12th - Higher Ed
In this video I will show you what you should expect to know before starting your chapter on Applications of Trigonometry. In applications of trigonometry we will explore solving trigonomtric word problems, law of sines, cosines,...
Instructional Video2:38
Brian McLogan

Using triangle proportionality theorem to prove parallel lines

12th - Higher Ed
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Instructional Video5:51
Brian McLogan

What is inverse trig and how does it relate to what we know

12th - Higher Ed
👉 Learn how to evaluate inverse trigonometric functions. When an angle is unknown but the value of one of the trigonometric functions of the angle is known, we can evaluate the value of the angle using the inverse trigonometric function...
Instructional Video4:54
Brian McLogan

Given two similar triangles determine the values of x and y for the angles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...