Question 280093
surface area of a rectangular box
There are six sides
2 with length and width ie top and bottom 2*(3*2)=12
2 with length and height ie  sides 2*(3*h)=6h
2 with width and height ie the ends 2*(2*h)=4h
12+6h+4h=52
10h=40
h=4
height = 4 feet
check
12+24+16=52
52=52
ok