If ABC and BDE are two equilateral triangles such that D is the mid-point of BC, then find

are equilateral triangles

We know that,


Area of equilateral triangle = a2


D is the mid-point of BC then,


Area () = * ()2


= *


Now,


Area (: Area (


* a2: *


1:


4: 1


Hence,


Area (: Area ( is 4: 1


1