tolong jawab nomor 6,7,8,9,10,11,12. tolong jawab yah.... Makasih

6.12
7.kurang tau
8.v:s×s×s
=15×15×15
=3.375
9.20 liter
10.3,14×10×10=314 cm²
11.L1=p×l
=21×14
=294 cm²
L2=½×π×r²
=½×22/7×7²
=½×22/7×49
=½×154
=77 cm²
Luas Gabungan=294 cm²+77 cm²
=371 cm²
12.kurang tau.

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