find the area of the polygon with the vertices of a(2,2), b(2,7), c(8,7),and d(4,2)

I think it would be 36 it’s what my friend told me I’m not sure though sorry if it’s wrong.

9, 13, 10, 11,  7, 3, 4.

Step-by-step explanation:

9, 13, 10, 11,  7, 3, 4 are the ones which should be shaded and can be seen from the top. In ascending order: 3, 4, 7, 9, 10, 11, 13.

1, 2, 5, 6, 8, 12, 16, 14, 15 are the numbers of the boxes that would not be seen from the top.

Hope this helps!