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Mathematics 20 Online
OpenStudy (12g):

plz check my answer!

OpenStudy (12g):

Which one of these transformations would produce an image that is not congruent to its pre‐image? A dilation followed by a reflection A rotation of 90 degrees about the origin A translation of (x − 1, y − 3) A rotation followed by a translation

OpenStudy (12g):

i think its D just want to make sure

OpenStudy (michele_laino):

I think that option D is a wrong option

OpenStudy (12g):

how

OpenStudy (lvana):

Remember, congruent means 'same size - same shape". So, A would be your answer. As the shape wouldn't be the same size any longer by dilating it.

OpenStudy (michele_laino):

for example consider this drawing: |dw:1450372887402:dw|

OpenStudy (michele_laino):

as we can see the final shape, is not congruent with the original shape

OpenStudy (12g):

ohh ya thought congruent was something else i did this stuff at the beginning of the ear soo

OpenStudy (12g):

thank you guys

OpenStudy (michele_laino):

:)

OpenStudy (lvana):

Anytime.~ @12G

OpenStudy (12g):

wait

OpenStudy (12g):

a inscribed equilateral triangle is a triangle in a circle right

OpenStudy (lvana):

Yes, of course.~

OpenStudy (12g):

ok just wanted to make sure

OpenStudy (lvana):

Alrighty.~

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