Which rotation will carry a regular hexagon onto itself?

A. 30 degree counterclockwise rotation
B. 90 degree counterclockwise rotation
C. 120 degree counterclockwise rotation
D. 270 degree counterclockwise rotation

Respuesta :

I think it would be B


The rotation that will carry a regular hexagon onto itself is 90 degree counterclockwise rotation.

How does rotation by 90 degrees changes the coordinates of a point if rotation is with respect to origin?

Let the point be having coordinates (x,y).

Case 1: If the point is in the first quadrant:

Subcase: Clockwise rotation:

Then (x,y) → (y, -x)

Subcase: Counterclockwise rotation:

Then (x,y) → (-y, x)

Case 2: If the point is in the second quadrant:

Subcase: Clockwise rotation:

Then (x,y) → (y, -x)

Subcase: Counterclockwise rotation:

Then (x,y) → (-y, x)

Case 3: If the point is in third quadrant:

Subcase: Clockwise rotation:

Then (x,y) → (y, -x)

Subcase: Counterclockwise rotation:

Then (x,y) → (-y, x)

Case 4: If the point is in fourth quadrant:

Subcase: Clockwise rotation:

Then (x,y) → (y, -x)

Subcase: Counterclockwise rotation:

Then (x,y) → (-y, x)

Case 5: For points on axes

You can take that point in any of the two surrounding quadrants. Example, if the point is on positive x axis, then it can taken as of first quadrant or fourth quadrant.

Case 6: On the origin

No effect as we assumed rotation is being with respect to the origin.

The rotation that will carry a regular hexagon onto itself is 90 degree counterclockwise rotation.

Learn more about the rotation of a point with respect to origin here:

https://brainly.com/question/18856342

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