"POLYGONS": HTML5 Crossword

Across

3. 10) Number of sides of a quadrilateral (4)
6. 6) A closed curve that does not cross itself (6,6,5)
9. 4) A regular polygon having five sides (7,8)

Down

1. 7) A polygon having all sides and angles equal (7,7)
2. 2) A regular polygon having three sides (11,8)
4. 5) A line segment connecting non consecutive vertices of a polygon (8)
5. 1) A polygon having three sides (0,8)
7. 8) In a convex polygon the measure of each angle is --------------- than 180 degree (0,4)
8. 3) A simple closed curve made up of only line segment is called (7)
10. 9) A polygon in which at least one angle is -------------than 180 degree is called a concave polygon (7)