Traditional Culture Encyclopedia - Photography and portraiture - In order to participate in the "Love My Campus" photo contest, Xiaoming enlarged the photos of tree planting activities into the shape of acm and wide acm, and carefully added them around.

In order to participate in the "Love My Campus" photo contest, Xiaoming enlarged the photos of tree planting activities into the shape of acm and wide acm, and carefully added them around.

Solution: According to the meaning of the problem,

The area occupied by this photographic work is

a ^ 2+4(a+4)+4(a+4)﹣2×2×4

= a 2 +7a+ 16。