# Are all lines of symmetry also diagonals?

## Are all lines of symmetry also diagonals?

6. Are lines of symmetry also diagonals in a polygon? diagonals are nor lines of symmetry, but in a square they are.

## What is not a line of symmetry?

Two shapes that have no lines of symmetry are the scalene triangle and an irregular quadrilateral.

Will all parallelograms have diagonals that are lines of symmetry?

Thus, the lines of symmetry of a parallelogram refer to the lines cutting the parallelogram into two identical parts….Symmetry Lines in Different Parallelograms.

Parallelogram Number of symmetry lines Symmetry lines
Rhombus 2 Both its diagonals dividing it into two identical halves.

### What are diagonal lines?

A diagonal is made out of a straight line that’s set at an angle instead of straight up or across. If you picture a square and draw a line connecting the opposite corners, that’s a diagonal line. You’ll find diagonal lines in geometry, and also in the world around you.

### Are all lines of symmetry also diagonals in a polygon justify your answer?

Not all lines that divide a figure into two congruent halves are lines of symmetry. The diagonal of a rectangle divides the rectangle into two triangles that are congruent (same size and shape). But the diagonal line is NOT a line of symmetry. The parallelogram, however, has NO lines of symmetry.

Has two lines of symmetry that are diagonals?

A rhombus has 2 lines of symmetry which cuts it into two identical parts. Both the lines of symmetry in a rhombus are from its diagonals. So, it can be said the rhombus lines of symmetry are its both diagonals.

## How many lines of symmetry does a polygon have?

Line symmetry in regular polygons A square is a regular polygon . It has four lines of symmetry and four sides. A regular pentagon has 5 sides and 5 lines of symmetry. The number of lines of symmetry in a regular polygon is equal to the number of sides.

## How many lines of symmetry are there in a square?

4
Square/Line of symmetry

For the square, it can be folded in half over either diagonal, the horizontal segment which cuts the square in half, or the vertical segment which cuts the square in half. So the square has four lines of symmetry.

What are the 3 basic types of symmetry?

Animals can be classified by three types of body plan symmetry: radial symmetry, bilateral symmetry, and asymmetry.

### Which shape has exactly 4 lines of symmetry?

Square
Square. A square has four lines of symmetry. It has rotational symmetry of order four.

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