Question 1. Draw rough diagrams to illustrate the following:
i) Open curve
ii) Closed curve
i) Open curve –
ii) Closed curve –
Question 2. Classify the following curves as open or closed?
Question 3. Draw a polygon and shade its interior. Also draw its diagonals, if any
Solution : ABCD is a polygon and AC and BD are its two diagonals.
Question 4. Illustrate, if possible, each one of the following with a rough diagram
i) A closed curve that is not a polygon
Solution: A circle is a simple closed curve but not a polygon. A polygon has line segments, but a circle has only curve
ii) An open curve made up entirely of line segments
Solution: Rough diagram of an open curve made up entirely of line segments
iii) A polygon with two sides-
Solution: A polygon with two sides is not possible.