Odpowiedź:
a = 4 cm
b = [tex]\sqrt{17} cm[/tex]
[tex]h_b^2 + 2^2 = b^2\\h_b^2 = ( \sqrt{17} )^2 - 2^2 = 17 - 4 = 13\\h_b = \sqrt{13}[/tex]
oraz
h² + 2² = ([tex]\sqrt{13} )^2[/tex]
h² = 13 - 4 = 9
h = √9 = 3
więc
V = [tex]\frac{1}{3} Pp*h = \frac{1}{3} a^2*h = \frac{1}{3} *4^2*3 = 16[/tex]
Odp. V = 16 cm³
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Odpowiedź:
a = 4 cm
b = [tex]\sqrt{17} cm[/tex]
[tex]h_b^2 + 2^2 = b^2\\h_b^2 = ( \sqrt{17} )^2 - 2^2 = 17 - 4 = 13\\h_b = \sqrt{13}[/tex]
oraz
h² + 2² = ([tex]\sqrt{13} )^2[/tex]
h² = 13 - 4 = 9
h = √9 = 3
więc
V = [tex]\frac{1}{3} Pp*h = \frac{1}{3} a^2*h = \frac{1}{3} *4^2*3 = 16[/tex]
Odp. V = 16 cm³
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Szczegółowe wyjaśnienie: