Question

Need help with problems 1-3.

Answer 1

Formula for surface are: 2(lw+wh+lh) where l is length, w is width and h is height.

Plug in for 1 - 3

1:

2((16)6 + (6)5 + (16)5)

2(96 + 30 + 80)

2(206)

412 ft²

2:

2((13)5 + (5)6 + (13)6)

2(65 + 30 + 78)

2(173)

346 mm²

3:

2((20)4 + (4)15 + (20)15)

2(80 + 60 + 300)

2(440)

880 in²