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https://vle.mathswatch.co.uk/images/questions/question1202.png

 Nov 7, 2017
 #1
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+2

 

Perimetersemi-circle  =  (1/2)(2*pi)(3cm)  = 3pi  cm

 

However.....if we're talking about the perimeter of the whole figure we have

 

[3 pi   +  6 ] cm

 

 

cool cool cool

 Nov 7, 2017
edited by CPhill  Nov 7, 2017

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