Instructional Video8:11
Curated Video

Angles of Triangles and Similarity

9th - 12th
In this video, the teacher reviews how to find angles in triangles using the triangle angle sum theorem. The teacher walks through four parts of a standardized math test question, showing step-by-step how to find missing angle...
Instructional Video1:10
Brian McLogan

Learn how to use interior angle sum theorem for triangles to determine the missing angle

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 Video9:00
Brian McLogan

Where does the interior angle sum theorem come from

12th - Higher Ed
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video5:23
Brian McLogan

What is the interior angle sum theorem for polygons

12th - Higher Ed
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video1:04
Brian McLogan

Applying the exterior angle sum theorem to solve for the missing angle ex

12th - Higher Ed
👉 Learn how to solve for an unknown variable in the exterior angle of a polygon. The exterior angle of a polygon is the angle between a side of the polygon and an outward extension of the adjacent side. The sum of the exterior angles of...
Instructional Video6:54
Curated Video

How to Find Angles Formed by Parallel Lines and a Transversal

9th - 12th
In this video, the teacher explains how to find the measures of angles formed by parallel lines and a transversal. They use the properties of supplementary angles, alternate interior angles, and the triangle sum theorem to solve for the...
Instructional Video2:39
Brian McLogan

Finding the missing length of a triangle using pythagorean theorem

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video2:08
Brian McLogan

Find the missing length of a triangle using pythagorean theorem

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video8:42
Curated Video

Triangle Sum Theorem and Exterior Angle Theorem

9th - 12th
In this video, the teacher explains the basics of triangles, including the interior and exterior angles. The lesson covers the triangle sum theorem, using ratios to find angle measures, and the exterior angle theorem. The teacher...
Instructional Video6:01
Curated Video

Finding Missing Angle Measures Using Simple Equations and the Triangle Sum Theorem

9th - Higher Ed
In this video tutorial, students are guided through the process of finding missing angle measures in triangles using simple equations and the triangle sum theorem. The teacher demonstrates step-by-step how to solve for the unknown angles...
Instructional Video3:44
Brian McLogan

Applying the interior sum theorem to determine the missing angles of two

12th - Higher Ed
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Instructional Video1:12
Brian McLogan

How does the pythagorean inequality theorem prove obtuse triangles

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video1:38
Curated Video

Find Corresponding Angles of Similar Triangles

9th - 12th
In this short video we will answer a standardized math test question where we are asked to identify a missing angle of a triangle. We will review the definition and meaning of similar triangles. We will identify which angle corresponds...
Instructional Video6:41
Let's Tute

Sum Of the Measures of Angles in a Triangle is 180 Degree

9th - Higher Ed
This video covers All About 'Lines & Angles' Such as - Introduction to Lines & Angles - Types of Angles - Theorems
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 Video8:25
Brian McLogan

What is the exterior sum theorem for polygons

12th - Higher Ed
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video3:36
Brian McLogan

What are the polygons and their interior angle sum from 3 sides to 10

12th - Higher Ed
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video4:43
Brian McLogan

Finding the value of x using the interior sum theorem for a hexagon

12th - Higher Ed
👉 Learn how to solve for an unknown variable in the interior angle of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The...
Instructional Video5:47
Curated Video

Triangle Inequality Theorem: Determining if Angles and Side Measures Form a Triangle

9th - 12th
This video teaches students how to determine whether given angle measures or side measurements will form a triangle using the Triangle Inequality Theorem and the Converse of the Triangle Sum Theorem. The teacher walks through examples...
Instructional Video1:13
Brian McLogan

How does the pythagorean inequality theorem prove acute triangles

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video2:26
Curated Video

How Many Unique Triangles | 7.G.A.2

9th - 12th
In this math video we will determine how many unique triangles can be formed from a proposed list of angle measures. We will begin by reviewing the Triangle Angle Theorem which states that the three interior angles of a triangle must...
Instructional Video2:44
Brian McLogan

Determine the sides of a triangle produce an acute, obtuse or right triangle

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video2:13
Brian McLogan

Applying the pythagorean theorem to find the missing length of a triangle

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video2:27
Brian McLogan

Find the missing side of a triangle using the pythagorean theorem

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...