# The Y/ X Ratio?

Geometry Level 3

If the formula for this figure's perimeter $$= ( 1 + 8^{0.5}) Y + ( 2 - 8^{0.5} ) X = 27.64$$

and for this figure's area $$= \dfrac {( 1 + 8^{0.5} ) Y X} 2 + \dfrac {X^2} { 128^{0.5} - 12} = 12.78$$.

What does $$\dfrac Y X$$ equal?