Answers

2016-02-03T18:41:28+05:30
A=54 m^{2} =2(l+b)h=lateral surface area of the room
b=4m
h=3m
54=2(l+4)3
3l+12=27
3l=15
l=15/3=5m
therefore length of the room is 5m

0
hope it helped u...
Hi
Thanks for helping me
np..
2016-02-03T18:42:10+05:30
L = 5m , because
2h(l+b)
2*3*(l+4)=54    (because area is 54sq.m)
6(4+l)=54
4+l=54/6
4+l=9
l=9-4
l=5


0