A) 12.5 cm
B) 14 cm
C) 15 cm
D) 13 cm
Correct Answer: D
Solution :
\[A{{B}^{2}}+B{{C}^{2}}=A{{C}^{2}};\,\,{{12}^{2}}+{{5}^{2}}=A{{C}^{2}}\] \[A{{C}^{2}}=144+25\] \[A{{C}^{2}}=169,AC=13\,cm\]
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