A) \[176\text{ }cm\]
B) \[146\text{ }cm\]
C) \[44\,cm\]
D) \[88\,cm\]
Correct Answer: D
Solution :
The perimeter of the wall hanging is given by the sum of circumferences of the 4 semicircles \[-4x\]diameter. Clearly, the diameter of each semicircle is 14 cm. The required perimeter \[=2\times \]circumference of circle of radius 7 cm. \[=2\times 2\times \frac{22}{7}\times 7=88\,cm\]
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