Question

Find the area of an equilateral triangle having each side of length $a$ cm.

• A. $\frac{\sqrt{3}}{4}$ $a^2$
• B. $\frac{\sqrt{3}}{2}$ $a^2$
• C. $\frac{\sqrt{3}}{8}$ $a^2$
• D. None of the above

Answer 1

The correct option is A $\frac{\sqrt{3}}{4}$ $a^2$

Area of equilateral triangle $=\frac{\sqrt{3}}{4}$ $a^2$