Odpowiedź:
1.
a - przekątna podstawy
b - krawędź boczna
c - przekątna ściany bocznej
d - przekątna graniastosłupa
e - krawędź podstawy
2.
PPF
[tex]6 {}^{2} + 4 {}^{2} = x {}^{2} [/tex]
[tex]36 +16 = x {}^{2} [/tex]
[tex]x {}^{2} = 52[/tex]
[tex]x = \sqrt{52} = 2 \sqrt{13} [/tex]
[tex]x = \sqrt{52} = 2 \sqrt{13} [/tex]
[tex]6 {}^{2} + 6 {}^{2} = x {}^{2} [/tex]
[tex]36 + 36 = x {}^{2} [/tex]
[tex]72 = x {}^{2} [/tex]
[tex]x = \sqrt{72} = 6 \sqrt{2} [/tex]
[tex]y = \sqrt{72} = 6 \sqrt{2} [/tex]
[tex]4 {}^{2} + (6 \sqrt{2} ) {}^{2} = x {}^{2} [/tex]
[tex]16 + 72 = y {}^{2} [/tex]
[tex]y {}^{2} = \sqrt{88} = 2 \sqrt{22} [/tex]
3. a)
[tex]5 \sqrt{ 3} [/tex]
b)
[tex]5 \sqrt{33} [/tex]