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Mathematics, 09.01.2020 23:31 do1213

Point o is the center of dilation. triangle a b c is dilated to create triangle a prime b prime c prime. the length of o a is 3. the length of a a prime is 9.
triangle abc is dilated to create triangle a'b'c' using point o as the center of dilation.
what is the scale factor of the dilation?
one-third
3
4
one-fourth

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