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The word TRIANGLE written upright above the x-axis, with the y-axis on its left

The mirror image of the above text about the x-axis is

  • A.The word TRIANGLE inverted, as printed for option A
  • B.The word TRIANGLE inverted, as printed for option B
  • C.The word TRIANGLE inverted, as printed for option C
  • D.The word TRIANGLE inverted, as printed for option D

Answer: B

The correct mirror image is (B).

Reflecting in the x-axis turns the text upside down without reversing left and right: every letter keeps its left-to-right order and is flipped top to bottom. So T becomes an inverted T, the bowl of R moves to the bottom, the diagonal of N runs the other way, and E, which is symmetric top to bottom, looks unchanged.

Option (B) shows exactly this. In the other options one letter is wrong: the G in (A) is rotated rather than reflected, the N in (C) has not been flipped, and the E in (D) is reversed left to right, which a reflection in the x-axis cannot do.

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