Question

solve it fast please​

Answer 1

Answer:

Step-by-step explanation:

Construction: Draw altitude.

Point to remember: Altitude bisects the base in an equilateral triangle.

Say ABC is the triangle and AD is the altitude onto BC.

Therefore, In triangle ABD,

BD = 1/2(AB).

Now use Pythagoras theorem and find AD.

You will get it as 3 AB² = 4 AD².