i) I#x2 + y2-25 then radius of circle isa) 2 b) 5 c) 0 d)-5 – InterviewSolution

1.

i) I#x2 + y2-25 then radius of circle isa) 2 b) 5 c) 0 d)-5

Answer»

Equation of Circle is x² + y² = r²,

with radius r and center (0,0)

So, in x² + y² = 25

r² = 25

r = 5 ( taking postive value)

b) 5 is correct answer

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