tentukan volume bola yg berdiameter 40 cm

V bola = 4/3 x phi x r^3

r = d/2
= 40/2
= 20 cm

V bola = 4/3 x 3,14 x 20^3
= 4/3 x 3,14 x 8000
= 100480/3
= 33493,33 cm^3

semoga membantu:)

 

V = 4/3 phi r^3
= 4/3 x 3,14 x 20^3
= 4/3 x 3,14 x 8.000
= 4/3 x 25.120
= 100.480/3
= 33.493,33 cm^3