1.

Find the area of a segment of a circle of radius \[21\text{ }cm\] if the arc of the segment has a measure of \[{{60}^{o}}\]. (Take \[\sqrt{3}=1.73\])

A.  \[45.27\,c{{m}^{2}}\]                    
B.  \[40.8\,c{{m}^{2}}\]      
C.         \[40.27\,c{{m}^{2}}\]   
D.         \[42.07\,c{{m}^{2}}\]    
Answer» D.         \[42.07\,c{{m}^{2}}\]    


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