Math Rotations | MathHelp.com - By MathHelp.com
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| 00:0-1 | In this example were asked to estimate the number of | |
| 00:03 | degrees each of the shaded figures has been rotated and | |
| 00:06 | state the direction of the rotation . In part a | |
| 00:10 | we can see that the shaded figure has been rotated | |
| 00:13 | approximately a quarter turn to the left , Remember that | |
| 00:18 | a quarter turn is a 90° turn . And since | |
| 00:22 | the shaded figure has been turned to the left , | |
| 00:24 | we say that the rotation is counterclockwise , so the | |
| 00:28 | shaded figure has been rotated 90° counterclockwise . Yeah , | |
| 00:47 | in part B , we can see that the shaded | |
| 00:50 | figure has been rotated approximately an eighth of a turn | |
| 00:53 | to the right . Remember that an eighth of a | |
| 00:56 | turn is a 45° turn . And since the shaded | |
| 01:00 | figure has been turned to the right , we say | |
| 01:03 | that the rotation is clockwise . So the shaded figure | |
| 01:06 | has been rotated 45° clockwise . |
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