Answer :
Surface Area = 2(lw + lh + wh)
Divide each dimension by half, and then plug it in to the formula.
32/2 = 18
10/2 = 5
8/2 = 4
Surface Area = 2((4)(5) + (4)(18) + (5)(18))
SA = 2(20 + 72 + 90)
SA = 2(182)
SA = 364
The surface area if each dimension was halved would be 364 mm^2.
Divide each dimension by half, and then plug it in to the formula.
32/2 = 18
10/2 = 5
8/2 = 4
Surface Area = 2((4)(5) + (4)(18) + (5)(18))
SA = 2(20 + 72 + 90)
SA = 2(182)
SA = 364
The surface area if each dimension was halved would be 364 mm^2.