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The radius of the circle passing through...

The radius of the circle passing through the point (6.2) and two of whose diameters are x + y = 6 and x + 2y = 4 is

A

4

B

6

C

20

D

`sqrt(20)`

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Verified by Experts

The correct Answer is:
D
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HIMALAYA PUBLICATION-CIRCLES-QUESTION BANK
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  3. The radius of the circle passing through the point (6.2) and two of wh...

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  4. The equation to the circle with centre (2, 1) and touching the line 3x...

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  5. The condition for a line y = 2x + c to touch the circle x^(2) + y^(2) ...

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  8. The two circles x^(2) + y^(2) - 2x + 22y + 5 = 0 and x^(2) + y^(2) + 1...

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  9. If the length of the tangent from any point on the circle (x-3)^(2)+(y...

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  10. The circles ax^(2)+ay^(2)+2g(1)x+2f(1)y+c(1)=0 and bx^(2)+by^(2)+2g(2)...

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  11. The equation of the common tangent of the two touching circles, y^(2)+...

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  12. If the line 2 x+3 y+k=0 is a tangtnt to the circle x^(2)+y^(2)-6 x-8 ...

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  13. The area of the circle x^(2)+y^(2)-2 x+4 y-4=0 is

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  14. x^(2) + y^(2) -6x -6y + 4 = 0, x^(2) + y^(2) -2x -4y + 3 = 0, x^(2) + ...

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  15. If the circles x^(2)+y^(2)-2 x-2 y-7=0 and x^(2)+y^(2)+4 x+2 y+k=0 cu...

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  16. If two circleS x^(2)+y^(2)+2 lambda x+c=0 and x^(2)+y^(2)-2 mu y-c=0 ...

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  17. Given that the circle x^(2)+y^(2)+2 x-4 y+4=0 and x^(2)+y^(2)-2 x-4 y...

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  18. The equation ot the circle concentric with x^(2)+y^(2)+6 x+2 y+1=0 an...

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  19. The centre of a circle passing through the points (0,0),(1,0) and tou...

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  20. The equation of the tangent to the circle x^2 + y^2 + 4x - 4y + 4 = 0 ...

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