question_answer

Find the perimeter of the shaded part of the figure given if the unshaded square has a perimeter of 48 cm.

A)  105 cm          

B)  104 cm          

C)    102 cm          

D)    100 cm

Correct Answer: B

Solution :

Perimeter = 4 times the length of its The length of each side of the square = 12 cm Perimeter of shaded part \[=(\text{22}+\text{18}+\text{12}+\text{12}+\text{1}0+\text{3}0)\text{ cm }=\text{1}0\text{4}\]