A) \[5{{w}^{2}}cm\]
B) \[12w\,\,cm\]
C) \[(10+2w)cm\]
D) \[(25+{{w}^{2}})cm\]
Correct Answer: B
Solution :
We have, breadth = w cm \[\therefore \] Length \[\text{= }5w\text{ }cm\] So, perimeter\[=2(5w+w)=2\times 6w\] \[=\text{ }12w\text{ }cm\]You need to login to perform this action.
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