dik:
panjang kubus = 9cm
dit:
diagonal ruang = ?
Jawab:
diagonal ruang = s√3
9√3cm
Cara kerja
s = 9 cm
Panjang diagonal ruang
= √(s² + s² + s²)
= √(9² + 9² + 9²)
= √(81 + 81 + 81)
= √243
= √(81 × 3)
= 9√3 cm
Mapel : Matematika
Bab : Bangun ruang
Kode : 8.2.8
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dik:
panjang kubus = 9cm
dit:
diagonal ruang = ?
Jawab:
diagonal ruang = s√3
9√3cm
Cara kerja
s = 9 cm
Panjang diagonal ruang
= √(s² + s² + s²)
= √(9² + 9² + 9²)
= √(81 + 81 + 81)
= √243
= √(81 × 3)
= 9√3 cm
Mapel : Matematika
Bab : Bangun ruang
Kode : 8.2.8