
1.  Right triangles whose angle measures are 45°45°90° or 30°60°90° are called ________ right triangles 
7.  The ________ of a vector is the distance from the initial point to the terminal point. 
8.  To ________ a right triangle is to determine the measurements of all its sides and angles. 
9.  The statement formed by switching the hypothesis and the conclusion of a conditional statement. 
10.  The ________ of a triangle is the perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side. 
11.  An equation that equates two ratios. 
12.  Two vectors that have the same magnitude and direction. 


2.  A ________ triple is a set of three positive integers a, b, and c that satisfy the equation c^{2} = a^{2} + b^{2}. 
3.  An ________ triangle is a triangle with three congruent sides. 
4.  Two vectors that have the same or opposite directions. 
5.  An ________ triangle is a triangle with three congruent angles. 
6.  The ________ of a vector is determined by the angle that the vector makes with a horizontal line. 