Question

Tolong dong jawab please...besok mau dikumpulin...

Answer 1

L= 4 x phi x r^2
452,16 = 4 x 3,14 x r^2
452,16 = 12,56 x r^2
462,16 : 12,56 = r^2
36=r^2
r= akar 36
r= 6cm
lalu cari v
v= 4/3 x phi x r^3
v= 4/3 x 3,14 x 6^3
v= 4/3 x 678,24
v= 904,32 cm^3