Materi : Bangun Ruang Sisi Datar
dr = diagonal ruang
sisi² + sisi² + sisi² = dr²
sisi² × 3 = ( 5√2 )²
sisi × 3 = √( 5√2 )²
sisi × 3 = 5√2
sisi = ( 5/3 )√2 cm
V = sisi³
V = ( 5/3 )³ × (√2)³
V = 125/27 × 2√2
{ V = ( 250/27 )√2 cm³ } 乁( •_• )ㄏ
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Materi : Bangun Ruang Sisi Datar
dr = diagonal ruang
Panjang Sisi Kubus
sisi² + sisi² + sisi² = dr²
sisi² × 3 = ( 5√2 )²
sisi × 3 = √( 5√2 )²
sisi × 3 = 5√2
sisi = ( 5/3 )√2 cm
Volume Kubus
V = sisi³
V = ( 5/3 )³ × (√2)³
V = 125/27 × 2√2
{ V = ( 250/27 )√2 cm³ } 乁( •_• )ㄏ
Semoga bisa membantu