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Using the concept of slope, prove that m...

Using the concept of slope, prove that medians of an equilateral triangle are perpendicular to the corresponding sides.

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RD SHARMA ENGLISH-THE STRAIGHT LINES -All Questions
  1. If points (a ,0),\ (0, b)a n d\ (x , y) are collinear, using the conce...

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  2. Prove that :The diagonals of a rhombus bisect each other at right angl...

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  3. Using the concept of slope, prove that medians of an equilateral tr...

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  4. Prove that that a triangle which has one of the angle as 30^0 cannot h...

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  5. Find the slopes of the lines which make the following angles with the ...

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  6. Find the slopes of the lines which make the following angles with the ...

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  7. Find the slope of a line passing through the following point:\ (-3,2)a...

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  8. Find the slope of a line passing through the following point:(a t1^2,2...

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  9. Find the slope of a line passing through the following point: (3,-5)\ ...

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  10. State whether the tow lines in each of the following are parallel, ...

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  11. State whether the two lines in each of the following are parallel, p...

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  12. State whether the two lines in each of the following are parallel, p...

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  13. State whether the two lines in each of the following are parallel, p...

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  14. Find the slope of a line i. which bisects the first quadrant angle ii....

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  15. Using the method of slope, show that the following points are colli...

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  16. Using the method of slope, show that the following points are collin...

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  17. What is the value of y so that the line through (3, y)a n d\ (2,7) is ...

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  18. What can be said regarding a line if its slope is i. positive ii. zero...

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  19. Show that the line joining (2,-3) and (-5,1) is parallel to the line ...

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  20. Show that the line joining (2,-5) and (-2, 5) is perpendicular to the ...

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