In the diagram, line segments meet at 90^\circ as shown. If the short line segments are each 3\:cm long, what is the area of the shape?

Answer Choices
A. 30
B. 36
C. 40
D. 45
E. 54
In the diagram, line segments meet at 90^\circ as shown. If the short line segments are each 3\:cm long, what is the area of the shape?
Answer Choices
A. 30
B. 36
C. 40
D. 45
E. 54