a)
[tex]a=5[/tex]
[tex]x=a\sqrt{2}[/tex]
[tex]x=5\sqrt{2}[/tex]
b) Bierzemy pod uwagę połowę trójkąta.
[tex]a=x[/tex]
[tex]x\sqrt{2}=10\quad|\cdot\sqrt{2}[/tex]
[tex]2x=10\sqrt{2}\quad|:2[/tex]
c)
[tex]x\sqrt{2}=7\quad|\cdot\sqrt{2}[/tex]
[tex]2x=7\sqrt{2}\quad|:2[/tex]
[tex]x=\dfrac{7\sqrt{2}}{2}[/tex]
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a)
[tex]a=5[/tex]
[tex]x=a\sqrt{2}[/tex]
[tex]x=5\sqrt{2}[/tex]
b) Bierzemy pod uwagę połowę trójkąta.
[tex]a=x[/tex]
[tex]x\sqrt{2}=10\quad|\cdot\sqrt{2}[/tex]
[tex]2x=10\sqrt{2}\quad|:2[/tex]
[tex]x=5\sqrt{2}[/tex]
c)
[tex]a=x[/tex]
[tex]x\sqrt{2}=7\quad|\cdot\sqrt{2}[/tex]
[tex]2x=7\sqrt{2}\quad|:2[/tex]
[tex]x=\dfrac{7\sqrt{2}}{2}[/tex]