A) 1200 cm
B) 1.2 cm
C) 120 m
D) 120 cm
Correct Answer: D
Solution :
The length of a rectangle = 40 cm \[\Rightarrow \]Its breadth \[=\frac{1}{2}\times 40=20cm\] \[\therefore \]Perimeter \[=\text{ }2\text{ }(l\text{ }+\text{ }b)\] \[=\text{ }2\text{ }(40\text{ }+\text{ }20)\] =2 (60) =120 cmYou need to login to perform this action.
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