A) 12 cm
B) 15 cm
C) 27 cm
D) 39 cm
Correct Answer: B
Solution :
The perimeter of the given figure = AB + CD + AD + CB \[=(\text{12}+\text{12}+\text{12}+\text{CB) cm}\] \[=\text{ (36}+\text{CB) cm}=\text{51 cm}\] (Given) \[\therefore \] \[\text{CB}=(\text{51}-\text{36})\text{ cm}=\text{15 cm}\]You need to login to perform this action.
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