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题目

解题步骤

1. Understand the question

   description of transformation | rule of transformation | congruent (same size) or similar (different size)
   a trapezoid dilated by a scale factor of ½. | | similar
   a triangle is translated 28 units to the left | | congruent
   a quadrilateral reflected across the y - axis | (-x, y) | congruent
   a parallelogram is translated 33 units up. | | congruent
   a polygon is reflected across the x - axis. | (x, -y) | similar

2. Final answer

   $(\frac{1}{2}x, \frac{1}{2}y)$
   $(x - 28, y)$
   $(x, y + 33)$

答案

Question Analysis

OCR Text

description of transformation | rule of transformation | congruent (same size) or similar (different size)
a trapezoid dilated by a scale factor of ½. |  | similar
a triangle is translated 28 units to the left |  | congruent
a quadrilateral reflected across the y - axis | (-x, y) | congruent
a parallelogram is translated 33 units up. |  | congruent
a polygon is reflected across the x - axis. | (x, -y) | similar

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