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|dw:1438909408931:dw|

i got 2.33333 and 2.5

if those aren't the same number then they aren't similar

if those were the same number then they would be similar

a. yes; scale factor = 2/5
b. yes; scale factor = 9/21
c. yes; scale factor = 3/7
d. no

well we just said 2.3333 was not the same as 2.5

d?

yep! :)

thankss

np

can you help me with a few more?

i can try

Quadrilateral WXYZ has the following vertices:
W (2,3)
X (1,1)
Y (3,0)
Z (5,2)

Does the question say what it is looking for?

Like are they looking for the object being reflected about some line?

remember you should a straight line
something like this: /, \, |, or _

|dw:1438910341194:dw|

do you see why?

last one

agreed!
straight lines have 180 deg angles

right!

if you notice Z was (5,2) in that one pic
and Z' was (-5,-2) in that one pic you chose

okay, so the answer is z?

Thank you so much

np

have a good day @BlueEyes13 :)

same to you :D