Question

what is symmetry lines ​

Answer 1

Step-by-step explanation:

A line of symmetry is a line that cuts a shape exactly in half. This means that if you were to fold the shape along the line, both halves would match exactly. Equally, if you were to place a mirror along the line, the shape would remain unchanged. ... An equilateral triangle has 3 lines of symmetry.

Answer 2

Answer:

A line of symmetry is a line that cuts a shape exactly in half. This means that if you were to fold the shape along the line, both halves would match exactly. Equally, if you were to place a mirror along the line, the shape would remain unchanged. ... An equilateral triangle has 3 lines of symmetry.

Step-by-step explanation:

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