100 Things Nationals Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Nationals Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika Diket volume kubus ABCD. EFGH adalah 4.096 cm³. Tentukan luas bidang diagonal CDEF

Diket volume kubus ABCD. EFGH adalah 4.096 cm³. Tentukan luas bidang diagonal CDEF

Jawaban:

[tex]16 \sqrt{2} \: cm[/tex]

Penjelasan dengan langkah-langkah:

V= r³

4096 cm³= r³

(16 cm)³= r³

r= 16 cm

[tex]diagonal = \sqrt{ {r}^{2} + {r}^{2} } \\ = \sqrt{2 {r}^{2} } \\ = \sqrt{2(16 \: cm) {}^{2} } \\ = \sqrt{2(256 \: {cm}^{2} )} \\ = \sqrt{512 \: {cm}^{2} } \\ = 16\sqrt{2} \: cm[/tex]

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