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cries-rt-tri-trig
special right triangles and trigonmetry
Question | Answer |
---|---|
What is another name for a triangle that has these measures 3, 4, 5? | Pythagorean Triple |
Name two types of special right triangles? | 30 - 60 - 90 degrees and 45 - 45 - 90 |
Name the relationship of the sides of a right triangle that represent the TAN | opposite / adjacent |
Name the relationship of the sides of a right triangle that represent the SIN | opposite / hypotenuse |
Name the relationship of the sides of a right triangle that represent the COS | adjacent / hypotenuse |
What is the equation for the geometric mean? | For two positive numbers "a" and "b," the positive number x such that a/x = x/b or x = sqr (a times b) |
What is the relationship of the lengths of the sides of a 30-60-90 triangle | x, xsqr(3),2x |
What is the relationship ofthe lengths of the sides of a 45-45-90? | x,x, x sqr(2) |
What is the angle of elevation? | The angle that your line of sight makes with a line drawn horizontally. |