A) \[102\,cm\]
B) \[120\,cm\]
C) \[210\,cm\]
D) \[10p\,cm\]
Correct Answer: B
Solution :
Perimeter \[=2\,(l+b)\] \[=2\,\,(3p+2p)\] \[=2\,\,(5p)=10p\,\,cm\] \[\therefore \] Perimeter when \[p=12\text{ }cm\] is \[10(12)=120cm.\].You need to login to perform this action.
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