Circles Part 1

Section: Mathematics
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Question : 58 of 100
 
Marks: +1, -0
If the circles x2+y2 - 16x - 20y + 164 = r2 and (x−4)2+(y−7)2 = 36 intersect at two distinctpoints, then:
[9 Jan 2019 Shift 2]
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