Question

PLEASE HELP ME!! SPAMMERS WILL BE BLOCKED !!

Answer 1

$(x) {}^{2} \\ = (y) {}^{2} \times 2 - 3 \\ = y$

Answer 2

The ratio of sides will be same

$\\ \sf\longmapsto \dfrac{x}{2}=\dfrac{5.4}{3}$

$\\ \sf\longmapsto \dfrac{x}{2}=1.8$

$\\ \sf\longmapsto x=1.8(2)$

$\\ \sf\longmapsto x=3.6$