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KIM [24]
3 years ago
10

Which statement about polygon PQRST and its image after dilation, polygon P'Q'R'S'T', is correct?

Mathematics
1 answer:
solniwko [45]3 years ago
6 0

Answer:

The length of diagonal PS and diagonal P'S' are in the ratio 1:3.

Step-by-step explanation:

Comparing the coordinates of the vertices,

P(0, -3)→P'(0, -9); Q(3, -2)→Q'(9, -6); R(3, 1)→R'(9, 3); S(0, 2)→S'(0, 6); T(-2, 0)→T'(-6, 0)

We can see that the pre-image points have been multiplied by a scale factor of 3.  This means comparing the pre-image sides to the image sides, the ratio is 1:3.  However, we must compare corresponding sides; the only choice comparing corresponding sides with a ratio of 1:3 is PS to P'S'.

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