A) \[19\,cm\]
B) \[17\,cm\]
C) \[28\,cm\]
D) \[22\,cm\]
Correct Answer: A
Solution :
It is given that, \[AB+BC=10\,cm\] ?..(i) \[BC+CA=12\,cm\] ?..(ii) \[CA+AB=16\,cm\] ?..(iii) Adding (i), (ii) and (iii); we get \[2(AB+BC+CA)=10+12+16\] \[\Rightarrow \] \[AB+BC+CA=19\,cm\]You need to login to perform this action.
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