Brian McLogan
Where does the interior angle sum theorem come from
👉 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...
Schooling Online
Physics Kinematics: Motion in a Straight Line - Algebraic Vector Resolution
Every criminal must pay for their crimes! But as Vector Man prepares to lock Carmen behind bars, a third player enters the game… This lesson will explain how to algebraically resolve a 2D vector into two perpendicular components, such as...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Polygon Problem - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
CK-12 Foundation
Ck 12: Elem Math: Overview Sum of the Angles of a Triangle
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on funding the sum of angles in a triangle.
Khan Academy
Khan Academy: Triangle Angle Properties: Sum of Interior Angles of a Polygon
Students explore the interior angles of a polygon by explanding on the concept that a triangle has 180 degrees and developing a formula for all polygons.