Question

find the missing dimensions in the figure with the given surface area​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

step by step explanation:

Surface area=2(lb+bh+hl)

256cm^2=2(5*x+x*12+12*5)

256cm^2=2(5x+12x+60)

256cm^2=10x+24x+120

256cm^2=34x+120

256-120=34x

136=34x

136/34=x

4=x

HOPE IT HELPS.

PLZ MARK BRAINLIEST.