Question

The area of an equilateral triangle is $25\sqrt{3}$ $c{m}^2$. Find the side of the triangle (in cm)

• A. $10$
• B. $5\sqrt{3}$
• C. $5$
• D. $10\sqrt{3}$

Answer 1

Answer: (A)

$10$

Area of an equilateral triangle $=\frac{\sqrt{3}}{4}\times {side}^2=25\sqrt{3}$
$=>{side}^2=100$
$=>side=10cm$