question_answer

Rectangles A, B and C are identical. Find the perimeter of the figure.

A)  36 cm            

B)    45 cm

C)    54 cm            

D)    63 cm

Correct Answer: C

Solution :

The perimeter of the given figure \[=(\text{9}+\text{3}+\text{4}.\text{5}+\text{3}+\text{4}.\text{5}+\text{39}+\text{3}+\text{4}.\text{5}+\text{3}+\text{4}.\text{5}+\text{3})\text{ cm}\]\[=\text{36}+\text{18 }=\text{54 cm}\]