Perhatikan gmbr balok berikut!
Tentukan luas bidang diagonal A.C.G.E (beserta jalan isinya)
Tentukan luas bidang diagonal A.C.G.E (beserta jalan isinya)
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AB = 4 cm
AC = √(AB² + BC²)
= √(3² + 4²)
= √(9 + 16)
= √25
= 5 cm
tinggi balok = 24 cm
L.Bd = Diagonal bidang × tinggi balok
= 5 × 24
= 120 cm²