Week 14 Math Vocabulary 1.area of a triangle – A = ½ bh 2.obtuse triangle – triangle with one obtuse angle 3.range of a function – the set of all second coordinates (y) from the ordered pairs in a relation 4.rate – the ratio of two measurements having two different units of measure, example, miles per gallon, miles per hour

5.ratio – comparison of two numbers by division 6.rational number – any number that can be expressed in the form a/b, where a and b are integers and b  0 7.proportion – an equation which states that two ratios are equivalent 8.linear equation – an equation that can be represented by a line on the coordinate plane

9.midpoint – the point that divides a line segment into two congruent line segments 10.complementary angles – two angles whose sum is 90 degrees Test ~ Wednesday, March 3, 2010