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In the given figure AB || PQ || CD, AB=x...

In the given figure AB || PQ || CD, AB=x, CD=y and PQ=z. Prove that `1/x+1/y=1/z`

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CBSE COMPLEMENTARY MATERIAL-TRIANGLE-Short Answer Type Questions-II
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  5. In the given figure AB || PQ || CD, AB=x, CD=y and PQ=z. Prove that 1/...

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  6. In the given figure (PS)/(SQ)=(PT)/(TR) and anglePST = anglePRQ. Prove...

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  7. In the figure, a point O inside triangleABC is joined to its vertices....

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  9. The Hypotenuse of a right triangle is 25 cm and out of the remaining t...

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  10. In the given figure DE || AC and (BE)/(EC)=(BC)/(CP). Prove that DC |...

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  13. In an equilateral triangle ABC, D is a point on side BC such that B D=...

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  14. Ii DeltaPQR, PDbotQR such that D lies on QR, if PQ=a,PR=b,QD=c and DR=...

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  15. The ratio of the the areas of two similar triangles is equal to the ra...

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  16. In the given figure, the line segment XY is Parallel to AC of ΔABC and...

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  17. Through the vertex D of a parallelogram ABCD, a line is drawn to inter...

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  18. Theorem 6.9 : In a triangle, if square of one side is equal to the sum...

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  19. Prove that is a right angle triangle, the square of the hypotenuse is ...

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  20. Theorem 6.1 : If a line is drawn parallel to one side of a triangle to...

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