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Perimeter is 3 times and little more larger than diameter.
14 multiplied to 3 is...42.
42 is the answer!
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yes i saw it berore
ok bye
As the diameter is 14 
so, the radius will be 7 we assume it a complete circle then we find cirumference of full circle i.e 2πr 
so the circumference of the complete circle is 2×22/7×7 = 44 
so the circumference of the semi cirlce or the protector is 44/2 = 22

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