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

Q 2: The figure gives the number of sides and their diagonals. What is the pattern?

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

Q 3: A pentagon has ______diagonals.

5 4 6 7

Q 4: A quadrilateral has ___ diagonals. 2 3 4

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

37 27 35

Q 6: If the diameter of a circle is 28 meters, what is the radius? 85 meters 28 meters 14 meters 2 meters

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