Prove that the area of an equilateral triangle

Asked by admin @ 27/08/2021 in Math viewed by 323 People

Prove that the area of a equilateral triangle is equal to √3/4 a^2 where a is the side of triangle

Answered by admin @ 27/08/2021

A is the side of traingle .
s=(a+a+a)/2=3a/2
now use hero 's formula ,
area of traingle =root {3a/2 {3a/2-a)(3a/2-a)(3a/2-a)}=root {3a^4/16}
=root3/4 .a^2 (hence proved)

Prove that the area of an equilateral triangle described

Asked by admin @ 20/08/2021 in CBSE BOARD X viewed by 361 persons

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What is the equation for the area of a triangle

Asked by admin @ 07/11/2021 in Mathematics viewed by 244 persons

Set up the equation for the area of a triangle in you graphing calculator. Define the variables and use the sliders to find the areas of the triangles below.