Instructional Video1:23
Curated Video

Exterior Angles In Triangles

9th - 11th
A video entitled "Exterior Angles in Triangles" which talks about using interior angles to calculate the measure of the exterior angle.
Instructional Video24:11
Curated Video

Forming equations with angles

Pre-K - Higher Ed
Pupil outcome: I can form and solve equations using my knowledge of angles and polygons. Key learning points: - Missing angles can be found in polygons using knowledge of exterior and interior angles. - A missing angle can be represented...
Instructional Video28:57
Curated Video

Problem solving with angles

Pre-K - Higher Ed
Pupil outcome: I can use my knowledge of angles to solve problems. Key learning points: - Problems can be solved using parallel line angle facts. - Problems can be solved using interior and exterior angles of polygons. - Problems can be...
Instructional Video32:36
Curated Video

Checking and securing understanding of exterior angles

Pre-K - Higher Ed
Pupil outcome: I can find the exterior angle of any regular polygon or deduce the exterior angle of an irregular polygon. Key learning points: - The sum of the exterior angles of a polygon can be demonstrated using a point. - The sum of...
Instructional Video33:42
Curated Video

Exterior angles of polygons

Pre-K - Higher Ed
Pupil outcome: I can find the sum of the exterior angles of a polygon. Key learning points: - The sum of the exterior angles of a polygon can be demonstrated using a point. - The sum of the exterior angles of a polygon can be proven...
Instructional Video35:28
Curated Video

Interior and exterior angles of regular polygons

Pre-K - Higher Ed
Pupil outcome: I can find the interior and exterior angles of regular polygons. Key learning points: - Exterior angles of a regular polygon are equal. - The size of the exterior angle of a regular polygon can be determined. - Interior...
Instructional Video35:40
Curated Video

Missing angles

Pre-K - Higher Ed
Pupil outcome: I can solve problems that require a combination of angles facts to identify values of missing angles, providing explanations of reasoning and logic used. Key learning points: - Missing angles can be found using parallel...
Instructional Video11:19
Curated Video

Circle Proofs (Arc and Angle Relationships)

6th - Higher Ed
How do you prove circle theorems? In this video, we perform some "lazy" proofs that justify some of the relationships like the relationship between an inscribed angle and a central angle, the angle formed by intersecting secants, the...
Instructional Video4:40
Curated Video

Interior and Exterior Angles Test Your Knowledge

3rd - Higher Ed
Test your knowledge of interior and exterior angles in maths! This video provides a range of practice questions and answers on the topic!
Instructional Video4:40
Curated Video

Interior and Exterior Angles Explained

3rd - Higher Ed
This video explains interior and exterior angles of a polygon. In particular: how to calculate interior and exterior angle, how to find the sum of interior or exterior angles, and how to find the number of sides of a polygon with just an...
Instructional Video4:04
Curated Video

GCSE Maths - Regular Polygons #99

9th - Higher Ed
This video covers what we mean by 'regular polygons' and the different types you need to know. We also cover how many lines of symmetry and rotational symmetry they each have.



This video is suitable for maths courses...
Instructional Video3:25
Curated Video

Understand the Relationship Between Exterior Angles

K - 5th
This video lesson explains the concept of exterior angles in triangles and how they are related to the interior angles. It demonstrates how to find the measures of exterior angles using the sum of interior angles. It also applies this...
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...
Instructional Video4:23
Curated Video

Using Triangles to Find Unknown Angle Measures

K - 5th
In this video, the teacher explains how to use the measures of interior angles in triangles to find unknown angle measures. The teacher reviews the concept that the interior angles of a triangle add up to 180 degrees and that consecutive...
Instructional Video4:11
Brian McLogan

Learning to determine the number of sides of a regular polygon given one interior angle

12th - Higher Ed
👉 Learn how to determine the number of sides 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 angle of a polygon...
Instructional Video1:41
Brian McLogan

Determine the sum of all interior angles of a polygon ex 3

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 Video4:32
Brian McLogan

Given the number of sides of a regular polygon find the measure of each interior angle

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 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 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 Video4:20
Brian McLogan

Lines and a Transversal - How To Label Special Angle Relationships

12th - Higher Ed
👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, corresponding, alternate interior and exterior....
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 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...