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Angle between the tangent and radius dra...

Angle between the tangent and radius drawn through the point of contact is ……

A

`60^@`

B

`30^@`

C

`45^@`

D

`90^@`

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Choose the correct answer and give justification for each . The angles between a tangent to a circle and the radius draw at the point of contact is

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.

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?

Angle between the tangents drawn from the point (5,4) to the ellipse (x^(2))/(25)+(y^(2))/(16) = 1 is

Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line segment joining the points of contact at the centre.

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. A bicycle wheel makes 75 revolutions per minute to maintain a speed of...

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  2. Angle described by hour hand in 12 hoours is ……..

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  3. Each angle in a square is ……

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  4. In the figure , the area of shaded region is …………. cm^(2).

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  5. Perimeter of semicircle is …………….. Units .

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  6. In the figure the relation among a , b and c is …………….

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  7. In the figure , a = ………….

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  8. Perimeter of sectors = ……………….

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  9. What do you observe from the below figure ?

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  10. The radius of a circle is doubled then its area becomes ……………….. Time...

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  11. In the given figure, angle APB = 60^@ and OP = 10 cm. then PA = ………….....

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  12. The maximum nuber of possible tangents that can be draw to a circle is...

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

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  14. If a circle is inscribed in a Quadrilateral then AB +CD= ………..

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  15. The angle made at the centre of a circle is …….

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  16. In the adjoint figure AC = 5 , so BC = ………….cm

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  17. The number of secant that can be drawn to a circle is ……..

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  18. The diameter of a circle is 10.2 cm then its radius is ….. Cm .

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  19. If 'r' is the radius of a semi-circle then its perimeter is ......

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  20. PA and PB are two tangents drawn to a circle with center O from an ext...

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