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PLEASE HELP ME MY BRIAN IS LIKE PUTTY 50 points for correct answerr

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.

Part B: Write the coordinates of triangle P"Q"R" obtained after P'Q'R' is reflected about the y-axis.

Part C: Are the two triangles PQR and P''Q''R'' congruent? Explain your answer.

User Martin Pernollet
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2 Answers

22 votes
22 votes
part a: the scale factor of the dilation that makes triangle pqr to triangle p’q’r’ is divided by three
part b: p” -> (-1,2) q” -> (0,3) r” -> (1,0)
User ForceUser
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3.3k points
20 votes
20 votes

Answer:

Part A :

The scale factor of the dilation that transforms triangle PQR to triangle P'Q'R' is divided by 3.

Part B :

P"(-1,2), Q"(0,3), R"(1,0)

Part C :

Triangle PQR and P"Q"R" are not congruent because congruent means equal and similar but triangle PQR and P"Q"R" are proportional because they are rational to each other but do not have the same measures of sides but the angles are congruent.

This is the graphing of the triangle.

PLEASE HELP ME MY BRIAN IS LIKE PUTTY 50 points for correct answerr Triangle PQR is-example-1
User Liau Jian Jie
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2.9k points