Question

The area of an equilateral triangle whose side is 2 cm is $\sqrt{A}$. The integral value of A is___

Answer 1

The area of an equilateral triangle is $\frac{\sqrt{3}}{4}{a}^2$ , where a = 2 cm.
Hence the area is $\frac{\sqrt{3}}{4}\times 2^2$
=$\sqrt{3}c{m}^2$
Thus the value of A = 3.