User:Erutuon/Math


 * formula for area of eq. triangle: $$s^2 \sqrt{3} \over 4$$
 * side (s): $$4 \sqrt{3}$$
 * $$( 4 \sqrt 3 ) ^2 \sqrt 3 \over 4$$


 * $$4^2 \times 3 \times \sqrt 3 \over 4$$


 * $$16 \times 3 \sqrt 3 \over 4$$


 * $$4 \times 3 \sqrt 3$$