Question

Which line is a line of symmetry for this regular polygon?



line i

line j

line k

Answer 1

Like i is the line of symmetry. Think of the line of symmetry as a line that when the polygon is folded over, it is symmetric, and one side overlaps the other perfectly. Therefore, line I would be that line, and lines k and j would not.

Answer 2

Option A is correct. The line of symmetry of the regular polygon is the "line i"

A line of symmetry of a shape is that imaginary line that divides such a shape into two equal parts.

The line divides the shape such that the two parts are identical or mirror images of each other.

From the given shape, we can see that the only line that divides the octagon into two equal parts is the imaginary line "i". It divides the octagon ABCDEFG into AHFG and EDCB.

Therefore, we can conclude that the line of symmetry of the regular polygon is the "line i"

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