No, a rectangle’s diagonals are not lines of symmetry. While they divide the rectangle into triangles, the triangles are not identical or congruent due to differing lengths of adjacent sides, breaking symmetrical balance.
Class 6 NCERT Ganita Prakash Chapter 9 Symmetry
class 6 Mathematics Textbook Chapter 9 question answer
The diagonals of a rectangle cannot be considered lines of symmetry because they fail to divide the shape into congruent halves. When a rectangle is folded along a diagonal, the resulting triangles have different side lengths, preventing them from overlapping perfectly. This contrasts with squares, where diagonals are symmetry lines due to equal side lengths. Thus, a rectangle has only vertical and horizontal lines of symmetry, reflecting its less symmetrical nature compared to a square.
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