Jawabanmu

2014-06-19T23:34:02+07:00
Diagonal ruang=√2s²=√98
√s²=√49
s=7
volume=s³=7³=343cm
thanks teman yang pintar {Pinna}
sama sama
2014-06-20T09:20:22+07:00
Diagonal bidang =√98
√98=sisi miring = √98=√S²= √49=
Sisi kubus=7 cm
maka, volume kubus =s x sx s= 7 x 7 x 7 = 343 cm³