Mathematics, 03.11.2020 01:00, andrespacheco5888
Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, -6), Q(0, 9), and R(-3, 0). Triangle P'Q'R' has vertices P'(1, -2), Q'(0, 3), and R'(-1,0).
Plot triangles PQR and P'Q'R' on your own coordinate grid.
Part A: What is the scale factor of the dilation that transforms triangle PQR to triangle P'Q'R'? Explain your answer. (4 points)
Part B: Write the coordinates of triangle P"Q"R" obtained after P'Q'R' is reflected about the y-axis. (4 points)
Part C: Are the two triangles PQR and P'Q''R' congruent? Explain your answer. (2 points)
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