Question

The area of an equilateral triangle whose side is a cm is
$\sqrt{} \frac{3}{4} {a}^{2} cm {}^{2}$
Find its height. ​

Answer 1

Let the height be h.
By using Pythagorean theorem-

h2 = a2 - (a/2)2
h2 = 4a2 - a2 / 4
h2 = 3a2 /4
h = root(3)a/2

Answer 2

Answer:

The area of an equilateral triangle whose side is a cm is

see the attachment there is your answer

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