Area of an equilateral triangle | Perimeter, area, and volume | Geometry | Khan Academy - By Khan Academy
00:0 |
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..