1.
A 90 degree angle is called a __ angle (5)
2.
An angle that is less than 90 degrees (5)
3.
An angle greater than 90 degrees (5)
4.
A pair of angles that have a sum of 180 degrees (13)
5.
A quadrilateral with only one pair of parallel sides (9)
6.
A parallelogram with congruent diagonals (not a square) (9)
7.
A quadrilateral with 4 congruent sides, 4 right angles and congruent diagonals (6)
8.
A quadrilateral with 2 pair of consecutive congruent sides and only 1 pair of congruent angles (4)
9.
A six-sided polygon (7)
10.
A five-sided polygon (8)
11.
A nine-sided polygon (7)
12.
A closed figure formed by 3 or more line segments called sides (7)
13.
A polygon in which all side and angles are congruent (2 words, 14 letters)
14.
In a parallelogram, _____ bisect each other (9)
15.
In a parallelogram, ___ angles are congruent (8)
16.
In a rhombus, _____ angles are supplementary (11)
17.
A polygon with interior angles that have a sum of 1080 degrees (7)
18.
A polygon with interior angles that have a sum of 900 degrees (8)
19.
In a kite the diagonals are _______ (13)
20.
In a rhombus, diagonals bisect opposite _____ (6)