Volume IBCJ.LFGK
LO² = LI² - CG²
LO² = 15² - 12²
LO² = 225 - 144
LO² = 81
LO = √81
LO = 9 cm
IB/EL = 1/3
IB/(25 - LF) = 1/3
IB/(25 - (LO + IB)) = 1/3
IB/(25 - 9 - IB) = 1/3
IB/(16 - IB) = 1/3
16 - IB = 3IB ----> hasil kali silang
3IB + IB = 16
4IB = 16
IB = 16/4
IB = 4 cm
V = La × t
V = (½ × (IB + LF) × CG) × BC
V = (½ × (4 + LO + IB) × 12) × 20
V = ((4 + 9 + 4) × 6) × 20
V = (17 × 6) × 20
V = 102× 20
V = 2.040 cm³
Jadi, Volume IBCJ.LFGK adalah 2.040 cm³.
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Ditanya
Volume IBCJ.LFGK
Penyelesaian
LO² = LI² - CG²
LO² = 15² - 12²
LO² = 225 - 144
LO² = 81
LO = √81
LO = 9 cm
IB/EL = 1/3
IB/(25 - LF) = 1/3
IB/(25 - (LO + IB)) = 1/3
IB/(25 - 9 - IB) = 1/3
IB/(16 - IB) = 1/3
16 - IB = 3IB ----> hasil kali silang
3IB + IB = 16
4IB = 16
IB = 16/4
IB = 4 cm
V = La × t
V = (½ × (IB + LF) × CG) × BC
V = (½ × (4 + LO + IB) × 12) × 20
V = ((4 + 9 + 4) × 6) × 20
V = (17 × 6) × 20
V = 102× 20
V = 2.040 cm³
Kesimpulan
Jadi, Volume IBCJ.LFGK adalah 2.040 cm³.