HiSET: Math : Rotations

Study concepts, example questions & explanations for HiSET: Math

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Example Questions

Example Question #61 : Measurement And Geometry

Letters

Examine the figures in the above diagram. The figure at right is the result of performing which of the following transformations on the figure at left?

Possible Answers:

 clockwise rotation

 clockwise rotation

 counterclockwise rotation

None of the other choices gives the correct response.

 counterclockwise rotation

Correct answer:

 clockwise rotation

Explanation:

Examine the figure below:

1

If we connect the horizontal line with the line along the rotated nine at right, we see that it is the result of a one-eighth turn clockwise; the angle between them .

Example Question #11 : Rotations

Letters

Examine the figures in the above diagram. The figure at right is the result of performing which of the following transformations on the figure at left?

Possible Answers:

 clockwise rotation

 counterclockwise rotation

 counterclockwise rotation

 rotation

 clockwise rotation

Correct answer:

 counterclockwise rotation

Explanation:

Examine the figure below. 

1

If we connect the horizontal line with the line along the rotated "omega" at right, we see that it is the result of a one-sixth turn counterclockwise; the angle between them is one sixth of , or  .

Example Question #13 : Rotations

Over the course of one hour and twenty minutes, the hour hand of a clock undergoes which of the following clockwise rotations?

Possible Answers:

Correct answer:

Explanation:

The hour hand of a clock makes one complete  clockwise rotation over the course of 12 hours, or, since one hour is equal to 60 minutes,

Therefore, over the course of 1 hour 20 minutes - which is equal to minutes - the hour hand rotates

.

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