Answer:
y = [tex]\frac{9}{2}[/tex][tex]\sqrt{2}[/tex]
x = 9
Step-by-step explanation:
this triangle is isosceles because the base angles are each 45°
the ratio of sides in a 45-45-90° triangle are 1 : 1 : [tex]\sqrt{2}[/tex]
so 'y' is going to also be [tex]\frac{9}{2}[/tex][tex]\sqrt{2}[/tex]
'x' will be [tex]\sqrt{2}[/tex] multiplied by [tex]\frac{9}{2}[/tex][tex]\sqrt{2}[/tex] which will be:
[tex]\frac{(9x2)}{2}[/tex] = 9
