Instructional Video11:01
Cerebellum

Geometry - Definitions

9th - 12th
Understand and making sense of geometry: Triangles, and their angles. This is part 1 from the series 'Geometry Program'.
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 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 Video2:38
Brian McLogan

How to find the measure of one exterior angle given number of sides for a regular polygon

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 Video4:40
Brian McLogan

How to find the measure of one exterior angle of a regular polygon

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 Video4:37
Curated Video

Finding Missing Angle Measurements in Circles using the Intersecting Chord Theorem

K - 5th
In this video, the teacher explains how to find missing angle measurements within a circle using the intersecting chord theorem. They discuss the central angle theorem, the exterior angle theorem, and the difference between arc measure...
Instructional Video19:27
Tarver Academy

6-1 Properties and Attributes of Polygons - Geometry Help

12th - Higher Ed
In This Episode, Tyler Teaches Us About Properties and Attributes of Polygons - Geometry Help
Instructional Video8:08
msvgo

Exterior Angle Property of a Triangle

K - 12th
It explains the exterior angle property in triangles. It also delineates the proof for this property & explains how the property can be applied to solve problems.
Instructional Video7:54
Curated Video

Angles of Triangles: Interior and Exterior Angle Measures

9th - 12th
In this video, we review the sum of the interior angles of a triangle and explore the relationships between interior and exterior angles. The teacher provides visual proofs for the theorems and demonstrates how to use them to find...
Instructional Video2:01
Brian McLogan

How to determine the measure of each exterior angles for a regular hexagon

12th - Higher Ed
👉 Learn how to find the measure of the exterior angle of a regular 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 a...
Instructional Video4:53
Professor Dave Explains

Types of Triangles in Euclidean Geometry

12th - Higher Ed
If a shape is made of straight line segments, the minimum number of sides it can have is three. And three sides make a triangle! I'm sure you knew that. But do you know all the types of triangles? Oh you do? Then what's a scalene...
Instructional Video3:53
Tarver Academy

Exterior Angle of a Triangle

12th - Higher Ed
In This Episode, Tyler Teaches Us About the Exterior Angle of a Triangle
Instructional Video3:08
Curated Video

Using Interior and Exterior Angles to Find Unknown Angle Measures

K - 5th
In this video, students are taught how to find unknown angle measures using interior and exterior angles. The concept of supplementary angles is introduced, and a common mistake regarding the sharing of vertices is addressed.
Instructional Video
Khan Academy

Khan Academy: Geometry: Ca Geometry: Exterior Angles

9th - 10th
Demonstrates solutions to problems #41-45 of California Geometry released state test questions. Problems address finding volumes of rectangular prisms, exterior angles, interior angle sum, and exterior angle sum. [10:53]
Instructional Video
Khan Academy

Khan Academy: Geometry: Exterior Angles

9th - 10th
Video demonstrates volumes of rectangular prisms, exterior angles, interior angle sum, and exterior angle sum.