Dimensi Tiga
Kubus
r = 12 cm
O tengah AC
X pada OF
BX ⊥ OF
rumus cepat :
Jarak B ke bidang ACF
= jarak B ke OF
= BX
= 1/3 diagonal ruang HB
= 1/3 × r√3
= 1/3 × 12√3
= 4√3 cm
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Verified answer
Dimensi Tiga
Kubus
r = 12 cm
O tengah AC
X pada OF
BX ⊥ OF
rumus cepat :
Jarak B ke bidang ACF
= jarak B ke OF
= BX
= 1/3 diagonal ruang HB
= 1/3 × r√3
= 1/3 × 12√3
= 4√3 cm