MCQ practice · SSC General Mathematics Board questions · Chapter 14: Ratio, Similarity and Symmetry
How many lines of symmetry does a rhombus have?
Think it through first, then pick an option.
- a 4
- b 2
- c 1
- d 0
Answer and explanation
Correct answer: b 2
The two diagonals are the lines of symmetry of a rhombus, so it has 2.
Why the other options are wrong
- a 4: A square has 4 lines (two diagonals and two through the midpoints of opposite sides); a rhombus that is not a square has only its two diagonals.
- c 1: 1 is the count for an isosceles triangle; a rhombus folds along both diagonals.
- d 0: 0 is the count for a scalene triangle; a rhombus folds exactly along its diagonals.
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