Yes. The angle of incidence and reflection are equal.
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Constant variation is a relationship between two variables where one is a fixed multiple of the other. The graph of such a relationship is a straight line through the origin.
For a fixed area, the perimeter is minimum for a circle, but has no maximum. Fractal figures (such as Koch snowflake) may have a finite area within an infinite perimeter.
A static shape has a fixed relationship between all of its vertexes. A dynamic shape can vary the position of at least one of its vertexes in relation to the others.
A static shape has a fixed relationship between all of its vertexes. A dynamic shape can vary the position of at least one of its vertexes in relation to the others.
tangential speed is directly proportional to rotational speed at nay fixed distance from the axis of rotation