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Grade 3 - Mathematics
Polygons are closed figures that are formed by line segments.
Each side is a line segment.
The point where two line segments meet is a vertex.
The sides do not cross each other and exactly two sides meet at every vertex.
The segments that form the boundary are sides, which meet at a vertices to form the interior angle.
If we connect two vertices that are not adjacent on the polygon, we form a diagonal.
: Squares, Triangles, Rectangles, etc.
Answer the following questions. Also draw 10 examples of polygons an name the sides, vertices and diagonals on a sheet of paper.
: Which of the following figures is not a polygon?
: In a polygon each side is a
: Polygons are named by starting at one vertex and naming all the other vertices in order. Name this figure.
: A closed figure that is formed by line segments is called a
: Which of the following is not a closed figure?
: Which of these is not a polygon?
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