Answers

2016-03-21T10:02:24+05:30
Hi there,
h=10,
l=3*10=30
b=3*10=30
surface area =2lb+2bh+2lh=1800+600+600=3000cm^2
i hope this helps u nd pls smash the thanks button 
0
The Brainliest Answer!
2016-03-21T11:04:40+05:30
They are three cubes
So,
Length = 30 cm
Breadth = 10 cm
Height = 10 cm
TSA = 2(lb+bh+hl) = 2(300+100+300) = 2(700) = 1400 cm²
2 5 2