
2.  The ________ of a right triangle are the sides that form the right angle. 
8.  Alternate ________ angles are two angles that are formed by two lines and a transversal and that lie between the two lines on opposite sides of the transversal. 
10.  The noncongruent side of an isosceles triangle that has only two congruent sides is its ________. 
11.  An angle with measure between 0° and 90°. 
12.  Alternate ________ angles are two angles that are formed by two lines and a transversal and that lie outside the two lines on opposite sides of the transversal. 
13.  A statement that can be proved easily using a theorem or a definition. 
14.  An ________ triangle has at least two congruent sides. 


1.  ________ segments are segments that have the same length. 
3.  An ________ triangle is a triangle with three congruent angles. 
4.  A triangle with no congruent sides. 
5.  The point that divides, or bisects, a segment into two congruent segments. 
6.  The ________ of a triangle is each of the three points joining the sides of a triangle. 
7.  An angle with measure equal to 90°. 
9.  An ________ triangle is a triangle with three congruent sides. 