Question

hello guys

I have a doubt how this 2lh + 2bh+ 2lb comes

pls clearly my doubt

the best will be surely selected as a brainliest answer

Answer 1

HEY FRIEND HERE IS YOUR ANSWER

HERE

2LH + 2BH +LB

AREA OF WALLS MEANS CURVED SURFACE AREA OF CUBOIDAL SHAPE AND IT'S FORMULA IS 2LH + 2BH

AND FOR WHITE WASHING WE ALSO WASH CEILING

CEILING IS IN SHAPE OF RECTANGLE SO

L × B

THEREFORE , IT IS USED

2LH + 2BH +LB

HOPE IT HELPS YOU.