jari-jari 10 cm diameter?... phi 3,14 volume?...

volume = 4/3 × π × r³
= 4/3 × 3,14 × 10 × 10 × 10
= 4/3 × 3140
= 4186,7 cm³

Jari-jari 10cm
Diameter=10+10=20 cm
Volume lingkaran= π×r×r
=3,14×10×10
=314cm²