"9no avanzado": HTML5 Crossword

Across

1. A __________ arc is the shortest are connecting two endpoints on a circle. (5)
6. four side polygon characterized by four right angles and four congruent sides. (6)
7. three side polygon. (8)
10. A triangle with three congruent sides is called __________ triangle. (11)
11. angle with a vertex in the center of a circle is called ___________ angle. (7)
12. A triangle with three acute angles is called __________ triangle. (5)
15. distance from the center to the edge of the circle. (6)
18. four side polygon. (13)

Down

2. four sided polygon characterized by four right angles and opposite sides congruent. (9)
3. A triangle with no congruent sided is called ___________ triangle. (7)
4. A ____________ is an arc with endpoints that lie on a diameter. (10)
5. A triangle with at least two congruent sided is called __________ triangle. (9)
8. A triangle with one obtuse angle is called __________ triangle. (6)
9. Quadrilateral whose opposite sides are parallel. (13)
13. segment with endpoints on the circle. (5)
14. length of a segment that passes through the center and has endpoints on the circle (8)
16. A triangle with one right angle is called ________ triangle. (5)
17. A ___________ arc is the longest arc connecting two endpoints on a circle. (5)