Скачать или смотреть Rotation about a Point with Protractor

Learn how to rotate a figure about a point using a protractor and a compass. We go through an example of rotating a triangle 120 degrees counterclockwise about a point P in this video math tutorial by Mario's Math Tutoring.

Timestamps:
00:00 Intro
0:17 Start by drawing lines from center of rotation to each vertex
0:50 Use Protractor to draw a line through 120 degrees
1:20 Use compass to measure congruent distances from center
1:37 Repeat process with each vertex

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