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What is the circumference of the circle?

 

 Dec 24, 2019

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 #1
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cos 30 = sqrt3/2   = adj/hyp = diameter/hyp

                sqrt 3  /2   =   dia/(1/pi)  =   dia (pi)

               (sqrt 3 /2)/pi = dia

 

circumference = pi x dia   =    sqrt3 /2  = ~ .866

 Dec 24, 2019
 #1
avatar+19741 
0
Best Answer

cos 30 = sqrt3/2   = adj/hyp = diameter/hyp

                sqrt 3  /2   =   dia/(1/pi)  =   dia (pi)

               (sqrt 3 /2)/pi = dia

 

circumference = pi x dia   =    sqrt3 /2  = ~ .866

ElectricPavlov Dec 24, 2019

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