1. Week 15 Math Vocabulary 1.area of a circle – A =  r 2 2.congruent angles – two angles which have the same measure 3.supplementary angles – two angles whose sum is 180 degrees 4.real number – the set of rational numbers and irrational numbers

2. 5.similar figures – two figures with congruent angles and proportional sides 6.angle – two noncollinear rays with a common endpoint called a vertex 7.solid figure – a three-dimensional figure 8.solution – the value that makes two sides of an equation equal

3. 9.term – the parts of an expression that are separated by the + or – symbol 10.vertical line test – a test to determine whether or not a relation is a function Test ~ Thursday, March 11, 2010