circle touching both the axis and radius 5 is
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0
Answer:
Coordinates of centre of the circle is C(5,5)
After one roll (revolution) (along the positive direction of x-axis), the x-coordinate of centre be original radius + distance covered in one roll i.e. 2πr and y-coordinate of centre be same
∴ Centre of the circle in new position is C(5+10π,5)
∴ Equation of circle is (x−5−10π)
2
+(y−5)
2
=5
2
Which does not match with any choice.
Hence choice (d) is correct answer.
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Answer:
refer to the attached picture.
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