Here is the completed table and a description of the lines of symmetry for each regular polygon:
a) Triangle (Equilateral)
- Number of sides: 3
- Number of lines of symmetry: 3
- Description of lines of symmetry: There are three lines of symmetry. Each line passes through a vertex and the midpoint of the opposite side.
b) Square
- Number of sides: 4
- Number of lines of symmetry: 4
- Description of lines of symmetry: There are four lines of symmetry. Two lines connect the midpoints of opposite sides, and two lines are the diagonals connecting opposite vertices.
c) Pentagon (Regular)
- Number of sides: 5
- Number of lines of symmetry: 5
- Description of lines of symmetry: There are five lines of symmetry. Each line passes through a vertex and the midpoint of the opposite side.
Here is the table with the values:
a)b)c)PolygonTriangleSquarePentagonNumberofsides345Numberoflinesofsymmetry345
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