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The centre of the circle whose radius is...

The centre of the circle whose radius is 5 and which touches the circle `x^2+y^2-2x-4y-20=0` at (5,5) is

A

`x=0`

B

`y=0`

C

`y=x`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -SOLVED EXAMPLES (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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  3. The centre of the circle whose radius is 5 and which touches the circl...

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  12. Consider a family of circles which are passing through the point (-...

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  13. If the circles x^2+y^2+2a x+c y+a=0 and points Pa n dQ , then find the...

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  16. Let A(1, 2), B(3, 4) be two points and C(x, y) be a point such that ar...

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  17. A circle touches y-axis at (0,3) and makes an intercept of 2 units on ...

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  18. Equation of the circle which circumscribes the square formed by the li...

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