Question

Tlong kerjakan no 8.....

Answer 1

D = 10 cm

a) Luas permukaan bola = 4 π r²
= 4 x 3,14 x 25
= 314 cm²

b) Volume bola = 4/3 π r³
= 4/3 x 3,14 x 125
= 523,33 cm³

Answer 2

L = 4πr^2
L = 4 x 3,14 x 25
   = 314 cm^2
V = (4/3) πr^3
   = (4/3) x 3.14 x 125
   = 523,33