Lesson eLearning

A regular heptagon has how many lines of symmetry?

easy MCQ 1 mark Class 7 · Mathematics · Symmetry
  1. 3
  2. 4
  3. 5
  4. 7
Answer
7

The correct answer is 7 — Therefore the number of lines of symmetry is 7.

Step-by-step solution

  1. A regular heptagon has all its sides and angles equal.
  2. Each side can be reflected onto an adjacent side, giving one axis per side.
  3. Hence there are 7 axes of symmetry.
  4. Therefore the number of lines of symmetry is 7.
Common mistake: Confusing number of sides with number of axes; thinking a heptagon has 3 axes

Concept tested: Lines of symmetry in regular polygons

Published · How this solution was prepared and checked

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