Area of an equilateral triangle | Perimeter, area, and volume | Geometry | Khan Academy - Free Educational videos for Students in K-12 | Lumos Learning

## Area of an equilateral triangle | Perimeter, area, and volume | Geometry | Khan Academy - Free Educational videos for Students in k-12

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#### DESCRIPTION:

Finding the formula for the area of an equilateral triangle with side s. All Khan Academy content is available for free at www.khanacademy.org

#### OVERVIEW:

Area of an equilateral triangle | Perimeter, area, and volume | Geometry | Khan Academy is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSG.SRT.D.9.

This page not only allows students and teachers view Area of an equilateral triangle | Perimeter, area, and volume | Geometry | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. HSG.SRT.D.9 : Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side..

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HSG.SRT.D.9

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