Question

Please help me with my work

Answer 1

`9600 \: {ft}^(2) \\`

Explanation:

Area of front rectangle -

= 2 ( length × breadth )

= 2 ( 40 × 30 )

= 2 ( 1200)

`= {2400 \: ft}^(2) \\`

Area of other rectangles -

= 4 ( length × breadth )

= 4 ( 60 × 30 )

= 4 ( 1800)

`= 7200 \: {ft}^(2) \\`

Surface area of the rectangular prism

`= {2400 \: ft}^(2) + {7200 \: ft}^(2) \\ = {9600 \: ft}^(2) \\`