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 pentagon has ______diagonals.

4 7 6 5

Q 2: If the diameter of a circle is 28 meters, what is the radius? 28 meters 2 meters 14 meters 85 meters

Q 3: A hexagon has ______diagonals.

9 6 8

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

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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