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Prove the radius of the Incircle of an e...

Prove the radius of the Incircle of an equilateral triangle is half the radius of its circumclrcle.

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V PUBLICATION-TANGENTS-QUESTION BANK
  1. What is the radius of the incircle of a right triangle having perpendi...

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  2. Prove that if the hypotenuse of a right triangle is 'h' and the radius...

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  3. Prove the radius of the Incircle of an equilateral triangle is half th...

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  4. a) Draw triangle 'A B C' with 'A B=10 cm', '/ A=50^circ' and '/ B^prim...

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  5. In the figure 'P' is at a distance of '6 ~cm' from the centre of the c...

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  6. (##VPUTTTMATXP02C07E09003Q01##)' In the figure, the radius of the sm...

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  7. (##VPUTTTMATXP02C07E09004Q01##)' In the figure 'O' is the centre of ...

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  8. (##VPUTTTMATXP02C07E09005Q01##)' In the figure 'MN=12 cm, MD=8 cm' a...

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  9. (##VPUTTTMATXP02C07E10001Q01##)' In the figure 'O' is the centre of ...

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  10. In the figure, a tangent at a vertex is drawn to the circumcircle of t...

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  11. In the figure, tangent through the point A touches the circle, at B. D...

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  12. Two circles with centres 'A' and B have radii '8 cm' and '3 cm' respec...

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  13. (##VPUTTTMATXP02C07E10005Q01##)' Two circles with radii 'dotR' and '...

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  14. (##VPUTTTMATXP02C07E10006Q01##)' In the figure two circles intersect...

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  15. Two circles joinedat 'C'. Chord AB of the large circle touches the sma...

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  16. Draw a circle of radius 3 centimetres. Mark a point P at a distance 6 ...

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  17. In the figure chord 'B C' is extended tò 'P'. Tangent from 'P' to the ...

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  18. In the figure 'C' is the centre of the circle, 'P A' and 'P B' are tan...

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  19. Draw a circle of radius 3 centimetres. Mark a point 7 centimetres away...

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  20. In the figure, the circle with centre O is the excircle of the right t...

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