1.

Two corners of a napkin are folded as shown. Find the area of the napkin when it is unfolded.

A.  \[60\text{ }c{{m}^{2}}\]
B.  \[225\text{ }c{{m}^{2}}\]
C.  \[195\text{ }c{{m}^{2}}\]
D.  \[450\text{ }c{{m}^{2}}\]
Answer» D.  \[450\text{ }c{{m}^{2}}\]


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