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let me see your file.
about the line y = x because two of the coordinates lie on the line itself and other two are mirror images of each other about the line y = x
what does that mean?
i think D.
im thinking d too
yes because it will rotate due same points on x-axis.
well D won`t work because rotation by 180 would result in reflection about y axis
then whats the answer?
No it doesn't, @harsimran_hs4 Consider rotating the line y=x 180 degrees wrt the origin, you don't get the line y = -x
im thinking d makes sense
well does it?
I vote yes :)
well then tell me what is the reflection of point (-3,1) about line y = x ?
ill notify you if you are correct or not okay?
Easier to see that the reflection of the point (3,2) about the line y=x is (2,3) which is not on the parallelogram.
well point is (-3, 1) not (3, 2) i am considering
Well, now that you mention it, the image is (1,-3)
(-3, -3) and (3,3) lie on the line so after reflection they will also lie on the line and remain where they were and (-3, 1) and (3, -1) interchange their position
But if it's to be the reflection with respect to the line y=x, then the image of each and every point must still be on the parallelogram, and the image of (-3,1), which is (1,-3) is not on the parallelogram.
agreed my bad!! but how does d come out to be the solution?
Because A, B, and C were wrong? lol
LOL!! expected some good arguments tough
I'm really not good at explaining geometric concepts, these things just come to me sorta instinctively :(
cool got hold of it ...... FINALLY I AGREE D IS RIGHT!!