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If 'r' is the radius of a semi-circle th...

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

A

`pi r + 2r (or) r[pi + 2] (or) 36/7 r`

B

`pi r + r`

C

`pi r + 3 r`

D

`pi r`

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BEYOND PUBLICATION-TANGENTS AND SECANTS TO CIRCLE-EXERCISE
  1. The number of secant that can be drawn to a circle is ……..

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

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

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  4. Which of the following is correct ? (i) Maximum possible tangents ...

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  5. In the figure PT is a tangent to the circle with centre 'O' then x =

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  6. Angle in a major segment is …..

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  7. In the figure PT is tangent drawn from P. If the radius is 7 cm and OP...

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  8. PQ is the chord of a circle . The tangent XR drawn at X meets PQ at R ...

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  9. Choose the correct answer and give justification for each . The ang...

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  10. Two circles intersect at A, B, PS, PT are two tangents drawn from P wh...

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  11. In the figures AB is a diameter and Ac is chord of the circle such tha...

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  12. To draw a pair of tangents to a circle which are inclined to each othe...

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  13. If the radii of two concentric circles are 5 cm and 13 cm then the len...

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  14. If tangents PA and PB from a point P to a circle with centre O are inc...

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

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

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

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

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

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

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