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Grade: 12 

                        
the radius of two circles r1=3 and r2=4 and two circles cut cut orthogonally the area between two circles
4 years ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2467 Points 
							Condition for orthogonality of 2 circles is
d^2 = r_1^2 + r_2 ^2
d^2 = 3^2 + 4 ^2
so d=5

So length of common chord is 4.8 ( by pythagoras )

Thanks
4 years ago
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