Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
AP EAMCET202018 Sep 2020Morning ShiftMathematicsStraight LinesActual

If a diagonal of a square is along the line (8 x-15 y=0 ) and one of its vertices is ((1,2) ), then the equations of the sides of the square passing through this vertex are

Options

  1. A(23 x-7 y+9=0,7 x+23 y+53=0 )
  2. B(23 x-7 y-9=0,7 x+23 y-53=0 )
  3. C(23 x+7 y-9=0,7 x+23 y-53=0 )
  4. D(23 x+7 y-9=0,7 x+23 y+53=0 )

Correct answer

B. (23 x-7 y-9=0,7 x+23 y-53=0 )

Step-by-step solution

Equation of line passes through point ((1,2) ) and inclined with an angle (45^ ) with respect to line (8 x-15 y=0 ), because sides of a square inclined with diagonal at (45^ ), is ( array rlrl & y-2 & = 8 / 15 1 1 ( 8 15 1 ) (x-1) & y-2 & = 8 15 15 8 (x-1) & y-2 & = 23 7 (x-1) and y-2= -7 23 (x-1) 23 x-7 y-9 & =0 and 7 x+23 y-53=0 array )

Practice Straight Lines on Quantrex Academy →

More from Straight Lines

The locus of the third vertex of a right-angled triangle, the ends of whose hypotenuse are (1,2) and (4,5) , is 2025The coordinate axes are rotated about the origin in the counter clockwise direction through an angle 60^ . If a and b are the intercepts made on the new axes by a straight line who 2025The image of a point (2,-1) with respect to the line x-y+1=0 is 2025If a straight line is at a distance of 10 units from the origin and the perpendicular drawn from the origin to it makes an angle 4 with the negative X -axis in the negative directi 2025A straight line passing through the origin O meets the parallel lines 4 x+2 y=9 and 2 x + y +6=0 at the points P and Q respectively. Then the point O divides the line segment PQ in 2025A (4,3), B (2,5) are two points. If P is a variable point on the same side as that of the origin with respect to the line AB and is at most at a distance of 5 units from the midpoi 2025By shifting the origin to the point (2,3) through translation of axes, if the equation of the curve x^2+3 x y-2 y^2+4 x-y-20=0 is transformed to the form Ax ^2+ Bxy + Cy ^2+ Dx + E 2025The points (2,3) and (-4,- 4 3 ) lie on the opposite sides of the line L 5 x -6 y + k =0 and k is an integer. If the points (1,2) and (4,5) lie on the same side of the line L =0 , 2025 Full Straight Lines list All AP EAMCET PYQs