Unit 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Adjacent side | In a right triangle, for each acute angle in the interior of the triangle, one ray forming the acute angle contains one of the legs of the triangle and the other ray contains the hypotenuse. This leg on one ray forming the angle is called adjacent side.
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| Sine of 0 = sin0 | =length of opposite side/length of hypotenuse
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| consine of 0 = cos0 | =length of adjacent side/length of hypotenuse
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| tangent of 0 = tan0 | =length of opposite side/length of adjacent side
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| Angle of depression | The angle below horizontal that an observer must look to see an object that is lower than the observer.
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| Angle of Elevation | The angle above the horizontal that an observer must look to see an object that is higher than the observer.
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| Complementary angles | Two angles whose sum is 90*. Each angle is called the complement of the other.
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| Opposite side | In a right triangle, the side of the triangle opposite the vertex of an acute angle is called the opposite side relative to that acute angle.
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| Similar triangles | Triangles are similar if they have the same shape but not necessarily the same size.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
eric.brock
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