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Unit 4 Vocabulary.

ratio a comparison of two numbers using division; the ratio of a and b where b does not equal 0 can be written as a to b, a:b, or a/b
proportion an equation that states that two ratios are equivalent: a/b=c/d where b and d do not equal 0
cross product in a proportion, a cross product is the product of the numerator of one ratio and the denominator of the other; they are equal
literal equation an equation in which letters are used to replace the coefficients and constants of another equation
consecutive integers integers in counting order
triangle a polygon with three sides and three angles
acute angle an angle that measures less than 90 degrees
equilateral triangle a triangle that has all the sides the same length and all of the angles the same measure
congruent figures figures that have the same size and shape
isosceles triangle a tringle with at least two angles having the same measure and at least two of the sides having the same length
obtuse triangle a triangle with one angle measure of more than 90 degrees
right triangle a triangle with one angle measure of 90 degrees
supplementary angles the sum of two angles is 180 degrees
complementary angles the sum of two angles is 90 degrees
Created by: rgoepner