Question

how do you find the surface area of a rectangular box with length 10 inches,width 6 inches and height 4 inches

Answer 1

SA = (Base Area • 2) + (Base Perimeter • Distance)

= (10*6 * 2) + (10 + 10 + 6 + 6 * 4)
= (60 * 2) + (32*4)
=120 + 128
SA = 248 inches squared