Term
Positive & Negative Rotations |
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Definition
A rotation is positive if the initial ray is rotated counter-clockwise. A rotation is negative if the initial ray is rotated clockwise.
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Definition
| Any two angles drawn in standard form position that share a terminal ray |
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| The positive acute angles formed by the terminal ray and the x-axis. |
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| An angle is said to be drawn in standard position if its vertex is at the origin and its initial ray points along the positive x-axis. |
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| The angle measure of the arc of a circle. |
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Definition
| The distance from the center of a circle to the outer edge |
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| The distance of a portion calculated by multiplying the central angle by the radius. |
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| Conversion of a Degree to a Radian |
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Definition
| Multiply the number of degrees by n/180 |
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| Conversion Radian to a Degree |
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Definition
| Multiply the number of radians by 180o/π |
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Definition
| The unit of a circle has a radius of 1. |
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| They have a 90 degree angle. |
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Definition
| A long side of a right triangle. |
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