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19 Cards in this Set
- Front
- Back
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The altitude to the hypotenuse of a right triangle... |
forms two triangles similar to it and to each other. |
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The altitude to the hypotenuse of a right triangle is the geometric mean... |
between the segments into which it divides the hypotenuse. |
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Each leg of a right triangle is the geometric mean.. |
between the hypotenuse and its projection on the hypotenuse. |
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In an isosceles right triangle, the length of the hypotenuse is...
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times the length of a leg. |
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Each diagonal of a square is...
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times the length of one side. |
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An altitude of an equilateral triangle having side s is... |
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The area of an equilateral triangle having side s is... |
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The tangent of an acute angle of a right triangle is...
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the ratio of the length of the opposite leg to the length of the adjacent leg.
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The sine of an acute angle of a right triangle is... |
the ratio of the length of the opposite leg to the length of the hypotenuse.
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The cosine of an acute angle of a right triangle is...
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the ratio of the length of the adjacent leg to the length of the hypotenuse.
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SOH CAH TOA |
S = sine C = cosine T = tangent O = side Opposite H = Hypotenuse A = side adjacent |
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The difference of the y-coordinates of two points.
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rise
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The difference of the x-coordinates of two points.
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run
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slope
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m = |
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The angle formed by a line and a horizontal line.
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Angle of inclination. |
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Two nonvertical lines are parallel...
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iff their slopes are equal. |
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Two nonvertical lines are perpendicular...
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iff the product of their slopes is -1. |
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Law of Sines |
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Law of Cosines |
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