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The common point to a tangent and a circ...

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

A

point of contact

B

circle

C

tangent

D

none

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The common point of the tangent and the circle is called the point of contact and the tangents is said to touch the circle at the common point. Observe the tangents to the circle in the figures given below. How many tangents can you obtain to the circle.in all?See the points of contact. Draw radii from the points of contact. Do you see any thing special about the angle between the tangents and radii at the points of contact. All appear to be perpendicular to the corresponding tangents. How many tangents can you draw to a circle at a point?

The common point of the tangent and the circle is called the point of contact and the tangents is said to touch the circle at the common point. Observe the tangents to the circle in the figures given below. How many tangents can you obtain to the circle.in all?See the points of contact. Draw radii from the points of contact. Do you see any thing special about the angle between the tangents and radii at the points of contact. All appear to be perpendicular to the corresponding tangents. How many tangents can you obtain to the circle in all?

The common point of the tangent and the circle is called the point of contact and the tangents is said to touch the circle at the common point. Observe the tangents to the circle in the figures given below. How many tangents can you obtain to the circle.in all?See the points of contact. Draw radii from the points of contact. Do you see any thing special about the angle between the tangents and radii at the points of contact. All appear to be perpendicular to the corresponding tangents. Draw radii from the points of contact. Do you see any thing special about the angle between the tangents and radii at the points of contact. All appear to be perpendicular to the corresponding tangents.

Number of tangents drawn to a circle is ………..

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

A tangent meets a circle in……. Points .

The length of a tangent to a circle from a point P is 12 cm and the radius of the circle is 5 cm , then the distance from point P to the centre of the circle is …..

From an external point two tangents are drawn to a circle.A line joining the external point and the centre of the circle bisects the line between the tangents. Is this true or not? Justify your answer.

From a point P, the length of the tangent to a circle is 12 cm, and the distance of P from the centre is 13 cm. The radius of the circle is

State whether the following statements true or false. 1) There exists one end point to a ray, 2) A line has two end points, 3) An angle is the union of two rays with a single common point, 4) The diameter of a circle divides it into two equal parts, 5) Every diameter of a circle is also called a chord of it.

BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. A line segment joining any point on a circle is called its ……

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. A secant meets a circle in …..points .

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  17. A tangent meets a circle in……. Points .

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  18. Sum of the central angles in a circle is …………

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  19. Angle in a semi -circle at the centre is …….

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  20. From the figure, x=…………..cm.

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