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Equation of circle concentric with x^2+y^2=4 and having radius 8 unit is

Option: 1

x^2+y^2=4


Option: 2

x^2+y^2=8


Option: 3

x^2+y^2=2


Option: 4

x^2+y^2=6


Answers (1)

best_answer

Two circles or more than that are said to be concentric if they have the same centre but different radii.

So equatio of other circle is x^2+y^2=8

Posted by

shivangi.bhatnagar

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