In the coordinate plane,
△
X
'
Y
'
Z
'
is the image of
△
X
Y
Z
after a dilation with a scale factor of
2
5
centered at the origin. The perimeter of
△
X
'
Y
'
Z
'
is 25 units.
What is the perimeter of
△
X
Y
Z
?
Write your answer as a whole number or decimal. Do not round.
units
ref_doc_title.

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