6.
H G
H
E F
D C
O
T
D T
A B
1
=
2
1
= × 6√2 = ×
2
= 3√2 = 8×3√2
√82
24
= √ + = 41 √41 cm
2
2
2
= √ (3√2) + 8
2
= √18 + 64
= √82
7.
H T Q G
E S F
P
D C
A B
3
= × 12 = 9
4
= 6
= − = 3
= √ +
2
2
= √8 + 3
2
2
Jarak Dalam Ruang __ Matematika Wajib XII ____ 18