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The area of the circle centred at (1,2) ...

The area of the circle centred at (1,2) and passing through (4,6) is

A

`5pi`

B

`10 pi`

C

`25 pi`

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA-CIRCLES-Exercise
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  3. The area of the circle centred at (1,2) and passing through (4,6) is

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  4. For the equation ax^(2) +by^(2) + 2hxy + 2gx + 2fy + c =0 where a n...

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  6. Locus of centre of a circle of radius 2, which rolls on the outside of...

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  8. A square is inscribed in the circle x^2+y^2-2x+4y-93=0 with its sides ...

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

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  12. If 2x-4y=9 and 6x-12y+7=0 are parallel tangents to circle, then radiu...

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  13. One of the diameters of the circle x^2+y^2-12x+4y+6=0 is given by

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  14. The length of the chord cut off by y=2x+1 from the circle x^2+y^...

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  15. Area of the circle in which a chord of lengthsqrt2 makes an angle pi/2...

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  16. The coordinates of the middle point of the chord cut-off by 2x-5y+18=0...

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  17. Find the equation of the circle which passes through the points (1,-2)...

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  18. If the lines 3x-4y-7 = 0 and 2x-3y-5=0 are two diameters of a circle o...

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  19. Equation of the circle with centre on the y-axis and passing through t...

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  20. If the lines a1x+b1y+c1=0 and a2x+b2y+c2=0 cut the coordinae axes at c...

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