Question

heyyyy friends.....

Here is my question... .. . . ......

Answer 1

We know that area( equilateral triangle)- V3a2/4 , where a is the side of the triangle.
If each side of tri ABC 2a unit Then, Area (triABC) V3 a2....(1)
Now, BD BC/2 (given)
=BD=2a/2=a
So, area( equilateral triangle BDE)-V3a2/4....(2)
By dividing (1) by (2)
ar( tri ABC) ar(tri BDE) (V3a2*4)/ V3a2 4/1
=4:1 is the answer

Answer 2

Step-by-step explanation:

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