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Prove that lines 3x + y + 4 = 0, 3x + 4y...

Prove that lines `3x + y + 4 = 0, 3x + 4y = 20 and 24x - 7y + 5 = 0` are sides of an equilateral triangle.

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KUMAR PRAKASHAN-STRAIGHT LINES-Practice Work
  1. Find equation of line at the distance 3 from origin and perpendicular ...

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  2. Find equation of line whose y- intercept is (4)/(3) and perpendicular ...

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  3. Prove that lines 3x + y + 4 = 0, 3x + 4y = 20 and 24x - 7y + 5 = 0 are...

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  4. One side and are vertex of the equilateral triangle is 2x+2y-5=0 and (...

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  5. Find equation of lines which bisects the quadrents.

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  6. Prove that the product of the lengths of the perpendiculars drawn from...

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  7. Find equation of line passes from middle of two parallel lines 9x + 6y...

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  8. Find length of perpendicular from origin to the lines passes from poin...

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  9. Find foot of perpendicular from point (2,3) on the line x+y+1=0.

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  10. Find the equation at line passes from point of intersection at lines x...

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  11. Find equation of line passes from point of intersection at lines 4x-3y...

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  12. Find equation of line passes from point of intersection at lines x-y-1...

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  13. If origin is shifted to point (1,-2) then find the new transformed for...

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  14. At which origin will be shifted so, that new coordinate at point (4,5)...

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  15. On which point we shift origin so that new transformed form of the equ...

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  16. Prove that area at triangle will remain same by shifting origin at any...

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  17. By shifting origin at (-2,3) find new transformed form at the equation...

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  18. Find equation of line passes from ( sqrt(3) ,-1) whose perpendicular d...

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  19. Two oppositive verticies of rectangle are (-3,1) and (1,1). Also equat...

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  20. Lines 3x+4y+5=0 and 4x-3y-10=0 intersects at point A. B is the point o...

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