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In Delta ABC , AD botBC and AD^(2)= BD x...

In `Delta` ABC , AD `bot`BC and `AD^(2)= BD xx CD`. Prove that `AB^(2) + AC^(2)`= `(BD + CD)^(2)`

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CPC CAMBRIDGE PUBLICATION-PRACTICE QUESTION PAPER 13-ANSWER THE FOLLOWING QUESTIONS
  1. Write the foumula to calculate the curved surface area of the frustum...

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  2. Find the sum of first twenty terms of Arithmetic series 2 +7+12 + cdot...

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  3. In Delta ABC , AD botBC and AD^(2)= BD xx CD. Prove that AB^(2) + AC^(...

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  4. In Delta ABC , DE || BC . If AD= 5 cm , BD = 7 cm and AC = 18 cm , fi...

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  5. In the given figure PQ || RS , prove that Delta POQ~Delta SOR.

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  6. Solve the following pair of linear equations by any suitable method. ...

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  7. In the figure , ABCD is a square of side 14 cm. A, B, C and D are the ...

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  8. Draw a circle of radius 4 cm and construct a pair of tangents such tha...

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  9. Find the co - ordinates of points which divides the line segment joini...

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  10. Prove that 3+sqrt5 is an irrational number.

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  11. Solve 2x^(2)-5x+3 = 0 by using formula.

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  12. The length of a rectangular field is 3 time its breadth . If the area ...

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  13. If sin theta = (12)/(13) find the values of cos theta and tantheta. " ...

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  14. If sqrt3 tan theta = 1 and theta is acute, find the value of sin 3 the...

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  15. Prove that ((1+cos theta)/(1-cos theta))=("cosec"theta + "cot"theta)^(...

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  16. A cubical die numbered from 1 to 6 are rolled twice . Find the probabi...

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  17. The radii of two circular ends of a frustum of a cone shaped dustbin a...

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  18. Prove that "the lengths of tangents drawn from an external points to a...

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  19. In the given figure PQ & RS are two parallel tangents to a circle o an...

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  20. Calculate the median of the following frequency distribution tabel :

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