Tlong di jwab mohon bantuannya soalnya tentang bangun ruang sisi lengkung kerucut
289nadya
8. a) dik : r=8 cm ,t=15 cm jawab = v : 1/3 * 3,14 * 8 * 8*15 :3,14*320 :9932,8 cm3 b) dik= r =7 cm ,s=25cm,t 24 cm jwb=1/3*22/7* 7* 7*24 =1472 cm3
c) dik= r :10cm,t=21 cm jwb= 1/3* 22/7 * 21*21*10 =4620 cm3
jawab = v : 1/3 * 3,14 * 8 * 8*15
:3,14*320
:9932,8 cm3
b) dik= r =7 cm ,s=25cm,t 24 cm
jwb=1/3*22/7* 7* 7*24
=1472 cm3
c) dik= r :10cm,t=21 cm
jwb= 1/3* 22/7 * 21*21*10
=4620 cm3