Instructional Video2:09
Curated Video

The perimeter of deferent polygon, square or rectangle

K - 8th
The perimeter of deferent polygon, square or rectangle
Instructional Video1:28
Curated Video

The congruent meaning at line segment

K - 8th
The congruent meaning at line segment
Instructional Video5:32
Brian McLogan

What is the difference between a regular and irregular polygon

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video4:48
Curated Video

Classifying Polygons by Perpendicular Sides

K - 5th
In this video lesson, we explain the concept of perpendicular lines and demonstrate how to identify them in different shapes. By the end of the lesson, students will be able to categorize polygons based on the number of pairs of...
Instructional Video4:10
FuseSchool

Exterior Angles Of Polygons

6th - Higher Ed
In this video we are going to look at exterior angles of polygons. Exterior angles are a little strange. They make a straight line with the interior angle, rather than being the whole outside angle. There are a few different ways to...
Instructional Video4:25
Curated Video

Exploring Angle Properties and Operations

K - 5th
In this video, the teacher explains how angles impact the arrangement of floor tiles and demonstrates how to find unknown angles in real-world situations using angle properties and operations.
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 Video6:43
Brian McLogan

What is the definition of a regular polygon and how do you find the interior angles

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video11:55
Zach Star

A visibility problem, how many guards are enough?

12th - Higher Ed
The video explains the proof of 'The Art Gallery Problem'. There are different versions of this problem (such as where guards can be placed) but we will focus on the most well known one where guards are forced to be in corners (and can...
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 Video14:44
KnowMo

Angles in Polygons: Calculating Interior and Exterior Angles

12th - Higher Ed
This video is a lecture presentation on angles in polygons. The presenter explains what a polygon is and how to calculate angles inside of it. They highlight the importance of triangles in finding the interior angles of shapes and...
Instructional Video4:19
Curated Video

Sorting Polygons by Angle Types

K - 5th
In this lesson, students will learn how to classify and sort polygons based on their angles. By observing the angles in different shapes, such as squares, triangles, and hexagons, students will understand the concept of right angles,...
Instructional Video2:32
Brian McLogan

What are four types of polygons

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video2:05
Brian McLogan

How to find the sum of interior angles for a heptagon

12th - Higher Ed
👉 Learn how to determine the sum of interior angles of a 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 angle of a polygon...
Instructional Video1:45
Brian McLogan

What are convex polygons

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video4:53
Curated Video

Identifying the Parts of Three-Dimensional Figures

K - 5th
In this video, you will learn how to identify the different parts of three-dimensional figures, such as faces, vertices, edges, and bases. You will also understand the concept of height and how it relates to the measurement of a prism.
Instructional Video3:54
Curated Video

Solving Systems of Linear Equations Using Tables

K - 5th
In this video, the teacher explains how to solve a system of linear equations using a table. They use the example of creating different polygons using a specific number of magnetic bars.
Instructional Video3:19
KnowMo

Angles, Triangles, and Polygons: Understanding the Degrees Inside Geometric Shapes

9th - Higher Ed
This video is an educational lesson on angles, triangles, and polygons. The presenter explains how to calculate missing angles in triangles and how the exterior angle is related to the opposite angles of a triangle. They also discuss...
Instructional Video1:37
Brian McLogan

What is the formula to find the measure of one interior angle

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 Video5:31
KnowMo

Introduction to Polygons: Classification and Naming of Shapes

12th - Higher Ed
The video is a beginner's guide to polygons. It defines what a polygon is and how it is classified into regular and irregular polygons, convex and concave polygons, based on their side lengths and angles. It also covers the names of...
Instructional Video1:35
Brian McLogan

Classify a polygon as concave, convex, regular or irregular ex 1

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video1:52
Brian McLogan

What is the difference between convex and concave

12th - Higher Ed
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video7:11
Brian McLogan

Determining multiple missing values using congruent polygons

12th - Higher Ed
👉 Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...