Traditional Culture Encyclopedia - Photography and portraiture - In order to participate in the city's "Soul Star" photo contest, Xiaoyang enlarged the photos of students participating in "Volunteer Love" activities to one centimeter long and one centimeter wide.

In order to participate in the city's "Soul Star" photo contest, Xiaoyang enlarged the photos of students participating in "Volunteer Love" activities to one centimeter long and one centimeter wide.

Solution: (a+2) (a+2)

= a 2 + a +4

A: The photo area of Xiao Yang's photographic works is (A 2+A+4) square centimeters.