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Trunchi de con circular
R = 17 cm
r = 5 cm
G = 20 cm

h = ?


Răspuns :

      
[tex]h= \sqrt{G^2 -(R-r)^2}= \\ =\sqrt{20^2 -(17-5)^2}= \\ =\sqrt{20^2 -12^2}= \\ =\sqrt{400 -144} = \sqrt{256}= \boxed{16\;cm}[/tex]