tolong pls..............mtk uk 4 aku ribet

1. Luas alas=3×4=12÷2=6
Volume=6×10=60 cm kubik

2. Luas alas =3,14×4×4=50,24
Volume =3,14×4×4=50,24×30=1507,20

3. luas alas =10×5=50cm
Volume= 10×5×6=300 cm kubik

4. Alas=22/7 ×14×14=616cm
Volume= 22/7 ×14×14=616×10=6160÷3=2053,33 cm kubik

5. luas alas=4×4=16
volume=4×4×4=64