a. triangle P been rotated by 90 degree in anticlockwise direction
b. triangle P been rotated by 270 degree in clockwise direction
What is angle of rotation ?
In mathematics, the angle of rotation is a measurement of the amount, of namely angle, that a figure is rotated about a fixed point, often the center of a circle.
a. if we rotate the triangle P at 90 degree, from point O at anticlockwise direction, we get triangle Q
b. if we rotate triangle P at 270 degree from point O at clockwise direction, we get triangle Q
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