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Unit 4 Vocabulary.
Question | Answer |
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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 |