Mogę dostać naj?
Odpowiedź:
[tex]p = a \times h[/tex]
[tex]o = a + |ac| + b + |db| [/tex]
[tex]p = 3 \times 5= 15[/tex]
[tex]ac ^{2} = 2^{2} + 5 {}^{2} \\ ac ^{2} = 4 + 25 \\ ac {}^{2} = 28 \\ ac = \sqrt{28} [/tex]
[tex]o = 3 + \sqrt{28} + 6 + \sqrt{28} \\ o = 9 + \sqrt{56} [/tex]
