How many lines of symmetry does a rectangle with length 12 cm and breadth 6 cm have?
Answer
2
The correct answer is 2 — Conclude that the total number of lines of symmetry is 2.
Step-by-step solution
- Identify that a rectangle has equal opposite sides and right angles.
- Note that a rectangle can be reflected over its two midlines (horizontal and vertical).
- Realise that its diagonals are not perpendicular bisectors, hence not axes of symmetry.
- Conclude that the total number of lines of symmetry is 2.
Common mistake: Counting diagonals as axes of symmetry
Concept tested: Symmetry of rectangles
Published · How this solution was prepared and checked
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