Odpowiedź:
a = x b = 2 x c = 3 x
Pc = 2*( x*2 x + x*3 x + 2 x * 3 x ) = 2*(2 x² + 3 x² + 6 x² ) = 2*11 x² = 22 x²
22 x² = 198 / : 22
x² = 9
x = 3
a = 3 b = 6 c = 9
zatem d² = 3² + 6² + 9² = 9 + 36 + 81 = 126 = 9*14
d = [tex]\sqrt{9*14} = 3 \sqrt{14}[/tex]
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Odpowiedź:
a = x b = 2 x c = 3 x
Pc = 2*( x*2 x + x*3 x + 2 x * 3 x ) = 2*(2 x² + 3 x² + 6 x² ) = 2*11 x² = 22 x²
22 x² = 198 / : 22
x² = 9
x = 3
a = 3 b = 6 c = 9
zatem d² = 3² + 6² + 9² = 9 + 36 + 81 = 126 = 9*14
d = [tex]\sqrt{9*14} = 3 \sqrt{14}[/tex]
===================
Szczegółowe wyjaśnienie: