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Grade: 12th pass
        
The circumference of one wheel is 20mm longer than that of another wheel. The product of two circumference is 144300mm. Calculate the length of the two circumferences.
8 months ago

Answers : (1)

Arun
21951 Points
							
given that c1=c2+20 
and 
c1*c2=144300 mm^2 
therefore 
(c2+20)*c2=144300 
 

hence c2^2+20*c2-144300=0 
this is a quadratic equation in c2 and can be solved using the standard 
procedure
as c2=(-20+760)/2=
8 months ago
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