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Use Pythagoras theorem and write proof o...

Use Pythagoras theorem and write proof of above theorem " the lengths of tangents drawn from an external point to a circle are equal . "

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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE
  1. Calculate the length of tangent from a point 15 cm away from the centr...

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  2. Prove that the tangnets to a circle at the end points of a diameter ar...

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  3. Use Pythagoras theorem and write proof of above theorem " the lengths ...

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  4. Draw a pair of radii OA and OB such that angleBOA=120^(@) . Draw the ...

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  5. Draw a pair of tangents to circle of radius 5 cm which are inclined to...

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  6. Two concentric circles of radii 5 cm and 3 cm are draw . Find the leng...

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  7. Parallelogram circumscribing a circle is a ………………..

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  8. A triangle ABC is drawn to circumscribe a circle of radius 3 cm. such ...

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  9. Draw a Circle of radius 4 cm . From a poit 7.5 cm away from its centre...

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  10. Construct a tangent to a circle of radius 4 cm from a point on the con...

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  11. Draw a circle with the help of a bangle , take a point outside the cir...

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  12. In a right triangle ABC, a circle with a side AB diameter is drawn to ...

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  13. Draw tangent to a given circle with Centre O from a point 'R' outside ...

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  14. Shankar made the following pictures also. To find area of a figure, id...

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  15. Make some more pictures and think of the shapes they can be divided i...

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  16. Find the area of sector , whose radius is 7 cm . With the given angles...

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  17. Find the area of sector , whose radius is 7 cm . With the given angles...

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  18. Find the area of sector , whose radius is 7 cm . With the given angles...

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  19. Find the area of sector , whose radius is 7 cm . With the given angles...

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  20. Find the area of sector , whose radius is 7 cm . With the given angles...

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