1.

The circumference of a circle is 100 cm. What is the largest side of a square inscribed in the circle?

A.  \[AB\times DL=BC\times DM\]                     
B.  \[18\times DL=12\times 10\]
C.  \[DL=\frac{12\times 10}{18}=\frac{20}{3}=6\frac{2}{3}cm,\]              
D.  \[=2\pi \times 42=84\pi cm.\]
Answer» C.  \[DL=\frac{12\times 10}{18}=\frac{20}{3}=6\frac{2}{3}cm,\]              


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