a)
d = 6
a[tex]\sqrt{2}[/tex] = 6 |:[tex]\sqrt{2}[/tex]
a = [tex]\frac{6}{\sqrt{2} }[/tex]
b) d = [tex]\sqrt{3}[/tex]
a[tex]\sqrt{2} = \sqrt{3}[/tex]
a = [tex]\frac{\sqrt{3} }{\sqrt{2} }[/tex]
c) d = 7[tex]\sqrt{2}[/tex]
a[tex]\sqrt{2}=7\sqrt{2}\\a = \frac{7\sqrt{2} }{\sqrt{2} }\\a = 7[/tex]
