A) 12
B) 14
C) \[16.6\]
D) \[18.2\]
Correct Answer: B
Solution :
(b): \[AC=\sqrt{{{5.2}^{2}}-{{4.8}^{2}}}=\sqrt{0.4\times 10}=2\] \[AD=\sqrt{C{{D}^{2}}-A{{C}^{2}}}=\sqrt{{{2.5}^{2}}-{{2}^{2}}}=\sqrt{0.5\times 4.5}=1.5\] \[\therefore \,\,AD+CD+CB+BA=1.5+2.5+4.8+5.2=14\]
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