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Question

Which of the lines in the picture are lines of symmetry of the figure?
428595.PNG
  1. l, m and o
  2. l and n
  3. l, m, n and o
  4. m and o

A
l, m and o
B
l and n
C
l, m, n and o
D
m and o
Solution
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If you can reflect (or flip) a figure over a lime and the figure appears unchanged, then the figure has reflection symmetry or line symmetry. The line that you reflect over is called the line of symmetry. A line of symmetry divides a figure into two mirror-image halves.
In the given figure, lines l and n divide figure into two mirror-image halves.
Hence, they are lines of symmetries.

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