Square A B C D has sides of length 3. Segments C M and C N divide the square’s area into three equal part. How long is segment C M ?

Answer Choices
A. \sqrt{10}
B. \sqrt{12}
C. \sqrt{13}
D. \sqrt{14}
E. \sqrt{15}
Square A B C D has sides of length 3. Segments C M and C N divide the square’s area into three equal part. How long is segment C M ?

Answer Choices
A. \sqrt{10}
B. \sqrt{12}
C. \sqrt{13}
D. \sqrt{14}
E. \sqrt{15}