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Select the correct mirror image of the given figure when the mirror is held at MN.

A square holding circles and ellipses beside a mirror line MN

  • A.Square holding circles and ellipses: two ellipses at the left, small circles at the top right and two large circles below
  • B.Square holding circles and ellipses: two ellipses at the left, small circles at the top right
  • C.Square holding circles and ellipses: two ellipses at the left, small circles at the top right
  • D.Square holding circles and ellipses: large circles at the top, ellipses at the left and small circles at the bottom right

Answer: A

The mirror MN is a vertical line at the right of the figure, so the image is the figure turned over from left to right, with the same heights and the same sizes. The ellipse that lies at the upper right of the figure therefore appears at the upper left of the image, and the pair of small circles at the top left goes to the top right. Option (A) shows exactly this. Option (D) is the figure turned upside down instead, and options (B) and (C) change the sizes or the positions of some of the circles, so they are not the mirror image. The answer is option (A).

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