A diagonal is a line segment that is not a side and that joins two vertices of a polygon.
Directions: Answer the following. Also draw a triangle, square and rectangle and show its diagonals.

Q 1: A hexagon has ______diagonals.

9 8 6

Q 2: A pentagon has ______diagonals.

7 5 6 4

Q 3: The diagonals of a rhombus are parallel to each other perpendicular to each other

Q 4: The figure gives the number of sides and their diagonals. What is the pattern?

3,4,5,6,7 1,2,3,4 2,4,5,6

Q 5: From the figure can you find out the number of diagonals for a 10 sided polygon?

37 27 35

Q 6: A diagonal is a line segment that is not a side and that joins two vertices of a polygon. true false

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