1.

m,n are integers with 0ltnltm. A is the point (m,n) on the Cartesian Plane. B is the rflection of A on theline y=x. C is the reflection of B on the y-axis. D is the reflection of C on the x-axis. And E is the reflection of D on they y-axis. The area of the pentagon ABCDE is

Answer»

2M(m+n)
m(m+3n)
m(2m+3n)
2m(m+3n)

ANSWER :B


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