Jawabanmu

2014-04-11T10:08:48+07:00
Diagonal kubus = R akar 2 brati rusuknya = 10 akar 3 volumnya (10 akar 3)^3
2014-04-11T10:14:24+07:00
Bila diagonal sisi :
a√2 = 10√6
a = 10√6 / √2
a= 10√3
Vol = a³
= 10√3 . 10√3 .10√3
= 1000 . 3 .√3
= 3000√3

bila diagonal ruang:
a√3 = 10√6
a =10√6 /√3
a= 10√2
Vol = a³
= 10√2 .10√2 .10√2
= 1000 . 2 .√2
= 2000√2