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Mathematics 17 Online
OpenStudy (gabylovesyou):

GEOMETRY HELP Trapezoid ABCD and its reflection A'B'C'D' are shown below. Connect any point on the pre-image to its corresponding point on the reflected image and describe the line segment's relationship to the line of reflection.

OpenStudy (gabylovesyou):

OpenStudy (gabylovesyou):

@ash2326 @ganeshie8

ganeshie8 (ganeshie8):

lets connect the points and see wat we get ?

ganeshie8 (ganeshie8):

First, observe that the trap is reflected along X axis

ganeshie8 (ganeshie8):

ganeshie8 (ganeshie8):

red line the reflection line greens are the segments connecting image & preimage

ganeshie8 (ganeshie8):

do u see any relation between them ? :) like, they're parallel, perpendicular... etc..

OpenStudy (anonymous):

They're parallel @Nurali

ganeshie8 (ganeshie8):

yes green lines are parallel, but thats not what the question is asking about

ganeshie8 (ganeshie8):

... describe the line segment's relationship to the line of reflection.

ganeshie8 (ganeshie8):

see that the "green line segments" are PERPENDICULAR to the reflection line (red)

ganeshie8 (ganeshie8):

^^thats the relation

OpenStudy (anonymous):

Ok let me look at the picture once more

OpenStudy (anonymous):

wait didn't you just explain the relationship to the red line

ganeshie8 (ganeshie8):

yup :) we're done !

OpenStudy (anonymous):

wait!

ganeshie8 (ganeshie8):

ha

OpenStudy (anonymous):

I get it but I don't know how to rephrase it :/

OpenStudy (anonymous):

and on the original picture there is no green and red line so how would i go about that

ganeshie8 (ganeshie8):

green lines : the line segments joining the vertices of image and preimage red line : reflection line

ganeshie8 (ganeshie8):

You may rephrase it like this :- the line segments joining any point on pre-image to its corresponding point on image are perpendicular to the "line of reflection"

OpenStudy (anonymous):

Ohh Okay Thank you!

ganeshie8 (ganeshie8):

np :)

ganeshie8 (ganeshie8):

adjusted a bit : the line segment joining any point on pre-image to its corresponding point on image is perpendicular to the "line of reflection"

OpenStudy (anonymous):

Okay :)

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