Instructional Video4:52
Brian McLogan

How to use the law of cosines to find out no triangles exist

12th - Higher Ed
Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The law of cosines is used in determining the lengths of the sides or the measures of the angles of a triangle when no...
Instructional Video0:56
Brian McLogan

What is an equilateral triangle

12th - Higher Ed
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video2:06
Brian McLogan

How to use special right triangles to determine the missing values of a triangle

12th - Higher Ed
👉 Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Instructional Video3:56
Brian McLogan

Determining the truth of a conditional statement

12th - Higher Ed
👉 Learn how to determine the truth or false of a conditional statement. A conditional statement is an if-then statement connecting a hypothesis (p) and the conclusion (q). If the hypothesis of a statement is represented by p and the...
Instructional Video4:34
Curated Video

Identifying and Sorting Triangles

K - 5th
In this video, students are taught how to identify and sort triangles at a shape warehouse. They learn that a triangle is a polygon with three sides and three angles.
Instructional Video3:09
Brian McLogan

Determine the measure of each side of a isosceles triangle

12th - Higher Ed
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Instructional Video0:50
Brian McLogan

What is an equiangular triangle

12th - Higher Ed
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video0:51
Brian McLogan

What is a scalene triangle

12th - Higher Ed
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video7:26
Brian McLogan

How to Write a Proof Using SSS Congruence Theorem - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video3:17
Brian McLogan

Geometry - How to Determine the Missing Values with Congruent Triangles

12th - Higher Ed
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Instructional Video8:14
KnowMo

The Cosine Rule: How to Calculate Sides and Angles in Triangles

12th - Higher Ed
This video provides an electric presentation on the cosine rule, which is a key concept in trigonometry used to calculate side lengths and angles in triangles. The presenter explains how to label triangles accurately and use two formulas...
Instructional Video7:22
Brian McLogan

Proving Two Triangles are Congruent by a Two Column Proof - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video3:49
Curated Video

Determining Similar Triangles Using Angle Measures and the Triangle Sum Theorem

K - 5th
In this video, the teacher explains how to determine if two triangles are similar by comparing their corresponding angles. They also discuss the triangle sum theorem and demonstrate how to find missing angle measures.
Instructional Video4:28
Curated Video

Hands-On Unity 2018.x Game Development for Mobile (Video 15)

Higher Ed
Ready to take your game development skills to the next level by deploying your games to mobile platforms? With the boom in the mobile game development space, there has never been a better time! This course will give you the necessary...
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 the lengths of sides...
Instructional Video0:56
Brian McLogan

Classify a triangle based on the angles of a triangle ex 4

12th - Higher Ed
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video2:09
Brian McLogan

How to use the altitude of similar triangles to find the missing length

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 Video3:37
Brian McLogan

Special segments of similar triangles Altitude

12th - Higher Ed
👉 Learn how to find the missing measure of a segment. A segment is a line that has two endpoints. A segment can be subdivided into several portions. The length of the segment is the sum of all the sub-divisions of the segment. Thus, when...
Instructional Video8:43
Curated Video

Introduction to the Cosine Rule for Finding Missing Lengths and Angles in Triangles

Higher Ed
The video is a tutorial on the cosine rule, a mathematical formula used to find missing side lengths and angles in triangles, particularly for non-right-angled triangles. The video highlights the difference between the cosine rule and...
Instructional Video10:46
Brian McLogan

How to Use Inverse Trigonometric Functions to Find the Angle of a Triangle

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 Video10:19
Brian McLogan

Review of trigonometry Points on the Unit Circle

12th - Higher Ed
👉 Learn about the trigonometric functions using the unit circle. The trigonometric function of an angle is the value of the trigonometric functions of sine, cosine, tangent, cosecant, secant and cotangent of that angle. To use the unit...
Instructional Video6:12
Brian McLogan

How to determine points on a unit circle with special triangles

12th - Higher Ed
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Instructional Video11:09
Brian McLogan

How to Prove Congruent Triangles Using SAS - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video4:26
Brian McLogan

Proving Congruence of Two Triangles by SSS - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...