Chapter ... Geometry
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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Pythagorean Triple | a set of positive integers that satisfy the equation, a^2+b^2=c^2
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Trigonomic Ratio | The ratio of two lengths of two sides in a right triangle.
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Tangent | The ratio of the lengths of the legs in a right triangle.
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Sine | Trigonomic ratio for acute angles that involves the lengths of the hypotonuse of a right triangle.
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Cosine | Trigonomic ratio for acute angles that involves the lengths of the hypotonuse of a right triangle.
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Angle of Elevation | If you look up at an object, the angle your line of sight makes with a horizontal line.
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Angle of Depression | If you look down at an object, the angle your line of sight makes with a horizontal line.
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Solve a Right Triangle | to find the measures of all angles and sides.
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Inverse of Tangent | an inverse tangent ratio, abbreviated as tan^-1. For acute angle A, if tan A = x, then tan^-1(x) = m angleA
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Inverse of Cosine | an inverse tangent ratio, abbreviated as cos^-1. For acute angle A, if cos(A)=Z, then cos^-1(z) = m angle A.
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Inverse of Sine | An inverse trigonomic ratio, abbreviated as sin^-1. For acute acute angle A, if A = y, then sin^-1(y) = m angle A.
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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.
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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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