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rumus dasar = dr = s√3
= ∛216 = 6 cm
= 6√3(d.)
16.) √24² + 6² + 8²
= √576 + 36 + 64
= √676
= 26 cm(a)
17.) rumus dasar = s√2
= 49√2(d)
s = akar pangkat tiga dari 216
s= 6 cm
diagonal ruang sisi akar 3
6 akar 3 (D)
16. diagpnal ruang = akar 24 kuadrat + 6 kuadrat + 8 kuadrat
= akar 676
= 26 (A)