Question

Aria triunghi echilateral avand inaltimea=2radical din 3, A triunghi ABC =?

Answer 1

h=$\frac{l \sqrt{3} }{2} =2 \sqrt{3}$
l=4
A=$\frac{ l^{2} \sqrt{3} }{4} = \frac{16 \sqrt{3} }{4} =4 \sqrt{3}$