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Without using Pythagoras theorem prove t...

Without using Pythagoras theorem prove that `A(12, 8), B(-2, 6) and C(6, 0)` are the verticies of right angled triangle.

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KUMAR PRAKASHAN-STRAIGHT LINES-Practice Work
  1. Find distance PQ between the points P ( a cos alpha, a sin alpha) and ...

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  2. Find x if the slope of the line passes from points A(x, 2) and B(6, -8...

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  3. Without using Pythagoras theorem prove that A(12, 8), B(-2, 6) and C(6...

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  4. Using definition of slope prove that P(4, 8), Q(5, 12) and R(9, 28) ar...

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  5. Find slope of the perpendicular line to the line passes from points (0...

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  6. Find y if the line passes from points (3,y) and (2,7) is parallel to t...

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  7. Prove that line passes from the points A( 4, -6) and B(-2, -5) makes o...

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  8. A(-2, 1), B(2, 3) and C(-2, -4) are verticies of Delta ABC. Find measu...

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  9. Angle between two lines is 45° and slope of one line is 2 then find sl...

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  10. A(0,2), B(-2,-1), C(4,0) and D(2,3) are vertices of parallelogram ABCD...

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  11. Two lines passes through (0,0), (2,3) and (2,-2), (3,5). Find measure ...

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  12. Obtain the equation of the line which satisfying given condition : (...

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  13. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  14. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  15. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  16. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  17. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  18. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  19. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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  20. Obtain the equation at the line in Ex. (1) to (10) satisfying given co...

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