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Three circles are drawn with the vertice...

Three circles are drawn with the vertices of a traingle as centres such that each circle touches the other two . If the sides of the traiangle are 2 cm , 3 cm , 4 cm find the diameter of the smallest circle .

A

4 cm

B

2 cm

C

1 cm

D

5 cm

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. If tangents PA and PB from a point P to a circle with centre O are inc...

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  2. In a right triangle ABC, right angled at B , BC = 15 cm and AB = 8 cm ...

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  3. Three circles are drawn with the vertices of a traingle as centres suc...

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  4. A circle may have ........ parallel tangents utmost.

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  5. A tangent to a circle intersects it in ………. Point (s) .

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  6. A line segment joining any point on a circle is called its ……

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  7. A line which intersects the given circle at two distinct points is cal...

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  8. The common point to a tangent and a circle is called …..

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  9. Angle between the tangent and radius drawn through the point of contac...

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  10. The circumference of a circle is 100 cm . The side of a square inscrib...

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  11. The area of a square inscribed in a circle of radius 8 cm is ………cm^(2)...

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  12. The area of a circle that can be inscrinbed in a square of side 6 cm i...

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  13. The perimeter of a quadrant of a circle of radius (7)/(2) cm is ………cm

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  14. The number of tangents at one point of a circle is …..

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  15. Number of tangents to a circle which are parallel to a secant are ……

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  16. ……….tangent can be drawn from a point inside a circle .

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  17. A line which is perpendicular to the radius of the circle through the ...

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  18. The number of tangents draw at the end of the diameter is …………

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  19. The tangents drawn at the end point of radius is ……..

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  20. Tangents drawn from an exterior point of a circle are………

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