Geometry

Khan Academy Course , Prof. Salman Khan

226 students enrolled

Overview

Contents:
introduction to angles - Angles - Angles formed between transversals and parralel lines - Angles of parallel lines - The Angle Game - Similar triangles - Area and Perimeter - Circles: Radius, Diameter and Circumference - Area of a circle - The Pythagorean Theorem

45-45-90 Triangles - Intro to 30-60-90 Triangles - 30-60-90 Triangles II - Heron's Formula the Proof of Heron's Formula - An inscribed angle is half of a central angle that subtends the same arc - Area of Inscribed Equilateral Triangle (some basic trig used) - Right Triangles Inscribed in Circles (Proof) - Area of Diagonal Generated Triangles of Rectangle are Equal

Lecture 21: An inscribed angle is half of a central angle that subtends the same arc

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        Lecture Details

        Showing that an inscribed angle is half of a central angle that subtends the same arc

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