Tolong ya dijawab pake cara

V. Kerucut=⅓×Π×r²×t
=⅓×3,14×10²×t
=1,04667×20
=20,9334

V. Bola= 4/3×Π×r²
=4/3×3,14×10²
=4,18886×20
=83,73336

V. Tabung= Πr²t
=3,14×100×20
=6.280

Perbandingannya tolong dilanjutin