Question

the area of an equilateral triangle is 63√3. find its side ​

Answer 1

Answer:

Area of equilateral triangle =

$\sqrt{3 \: } a {}^{2} \div 4$

$63 \sqrt{3} = \: \sqrt{3 \: } a {}^{2} \div 4$

$63 \times 4 = a {}^{2}$

$a = \sqrt{252}$

$a = 15.87m$