Odpowiedź:
a = 6cm
b = 8cm
c = ?
c^2 = a^2 + b^2 - 2ab * cos[tex]\alpha[/tex]
c^2 = 36 + 64 - 96 * 1/2
= 52 [cm]
c = [tex]\sqrt{52}[/tex] = [tex]2\sqrt{13}[/tex] [cm]
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Odpowiedź:
a = 6cm
b = 8cm
c = ?
c^2 = a^2 + b^2 - 2ab * cos[tex]\alpha[/tex]
c^2 = 36 + 64 - 96 * 1/2
= 52 [cm]
c = [tex]\sqrt{52}[/tex] = [tex]2\sqrt{13}[/tex] [cm]