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P(2,1) , Q (4,-1) , R (3,2) are the vert...

P(2,1) , Q (4,-1) , R (3,2) are the vertices of a triangle and if through P and R lines parallel to opposite sides are drawn to intersect in S , then the area of PQRS , is

A

6

B

4

C

8

D

12

Text Solution

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-STRAIGHT LINES-Exercise
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  2. Given three straight lines 2x+11 y-5=0,24 x+7y-20=0, and 4x-3y-2=0 . T...

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  3. P(2,1) , Q (4,-1) , R (3,2) are the vertices of a triangle and if thro...

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  4. If a line passes through the point (2,2) and encloses a triangle of a...

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  5. Points on the line x + y = 4 which are equidistant from the lines |x| ...

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  6. If AB=4 and the ends A, B move on the coordinate axes, the locus of t...

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  7. A straight line L is perpendicular to the line 5x-y=1 . The area of th...

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  8. Let O be the origin. If A(1,0)a n dB(0,1)a n dP(x , y) are points such...

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  9. about to only mathematics

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  10. The straight line passing through P(x1,y1) and making an angle alpha w...

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  11. Find the value of lambda, if the lines 3x-4y-13=0, 8x-11y-33, and 2x-3...

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  12. The equation of line on which the perpendicular from the origin make 3...

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  13. The area (in square units ) of the triangle formed by y-axis , the str...

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  14. Find all points on x+y=4 that lie at a unit distance from the line 4x+...

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  15. Find the equations of the lines through the point of intersection of ...

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  16. The number of lines that are parallel to 2x + 6y -7= 0 and have an int...

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  17. The ratio in which the line segment joining (-1,1) and (5,7) is divide...

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  18. The image of the point (1, 3) in the line x + y-6 = 0 is

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  19. A triangle ABC right angled at A has points A and B as (2, 3) and (0, ...

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  20. The equation of the line passing though the intersection of x-sqrt(3)y...

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