Answer:7.5
Step-by-step explanation:
Volume=L*B*H
=30x
According to question,
Volume=TSA
30x=2(L*B+B*H+H*L)
30x=2(5x+6x+30)
30x=10x+12x+60
30x=22x+60
30x-22x=60
8x=60
x=60/8
x=7.5 (answer)
1.6m questions
2.0m answers