berapa volume bola yg diameternya 40cm

Bab Bola
Matematika SMP Kelas IX

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

volume = 4/3 x pi x r x r x r
volume = 4/3 x 3,14 x 20 x 20 x 20
volume = 33.493, 33 cm kubik