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Geometry Chapter 9

McDougal Littell Vocab

Right triangles whose angle measures are 45-45-90 degrees or 30-60-90 degrees special right triangles
A ratio of the lengths of two sides of a right triangle. trigonometric ratio
Side opposite over hypotenuse sine
Side adjacent over hypotenuse cosine
Side opposite over side adjacent tangent
When you stand and look you up at a point in the distance, the angle that your line of sight makes with a line drawn horizontally. angle of elevation
Determine the measurements of all sides and angles of a right triangle. solve a right triangle
The distance from the initial point to the terminal point of a vector. magnitude of a vector
Determined by the angle that the vector makes with a horizontal line. direction of a vector
Two vectors that have the same magnitude and direction. equal vectors
Two vectors that have the same or opposite directions. parallel vectors
Created by: dhmahlman