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They are three cubes
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
Its 3 cubes so i think the length is 30 and both bredth and height is 10
Oh sorry I thought two cubes :p

hi there,
surface area =2lb+2bh+2lh=1800+600+600=3000cm^2
i hope this helps u nd pls smash the thanks button 
2 5 2
Breadth will be 10cm not 30
ohh sorrry
then the ans will be 2*700=1400
Thanks guys. Thanks a lot
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