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Prove analytically that the altitudes of...

Prove analytically that the altitudes of a triangle are concurrent.

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MODERN PUBLICATION-STRAIGHT LINES -EXERCISE
  1. Find the area of the triangle formed by the lines y-x=0, x+y=0 and x-k...

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  2. Prove analytically that the : medians of a triangle are concurrent.

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  3. Prove analytically that the altitudes of a triangle are concurrent.

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  4. The co-ordinates of points A, B and C are (1, 2),(-2, 1) and (0, 6) re...

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  5. Prove that the diagonals of a square are equal.

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  6. Which of the following statements are True or False : The diagonals of...

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  7. Say True or False: The diagonals of a square are perpendiculare to one...

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  8. If two medians of a triangle are equal, prove that the triangle is iso...

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  9. Prove that the median from the vertex of an isosceles triangle is the ...

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  10. If the diagonals of a parallelogram are perpendicular, then it is a rh...

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  11. Which of the following statements are True or False : If the diagonals...

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  12. Classify the following pairs of lines as coincident, parallel, perpend...

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  13. Classify the following pairs of lines as coincident, parallel, perpend...

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  14. Classify the following pairs of lines as coincident, parallel, perpend...

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  15. Classify the following pairs of lines as coincident, parallel, perpend...

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  16. Classify the following pairs of lines as coincident, parallel, perpend...

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  17. Find the distance between the line and the point of the following : ...

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  18. Find the distance between the line and the point of the following : ...

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  19. Find the distance between the line and the point of the following : ...

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  20. Find the distance between the line and the point of the following : ...

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