Question

The plate is rotated 720° about the origin in the counterclockwise direction. Which of the following is formed when the arcs of rotation are drawn for each point as it is rotated? They form parallel segments. They form perpendicular segments. They form concentric circles. They form congruent segments.

Answer 1

Answer:

They form concentric circles.

Step-by-step explanation:

The complete question is

Figure EFGH on the grid below represents a trapezoidal plate at its starting position on a rotating machine platform:

The plate is rotated 270° about the origin in the counterclockwise direction. Which of the following is formed when the arcs of rotation are drawn for each point as it is rotated?

They form parallel segments.

They form perpendicular segments.

They form concentric circles.

They form congruent segments.

Each vertex of the trapezoid will create a circle, where the center is the origin (0,0). As you can deduct, all circles will have the same center, which means the circles will be concentric. Remember that concentric means one inside the other.

Therefore, the right answer is They form concentric circles.

Answer 2

The option that will be formed when the arcs of rotation are drawn for each point as it is rotated is C. They form concentric circles.

• Concentric circles simply mean the circles that have a common center. It should be noted that the region between two concentric circles is known as the annulus.

• Therefore, when the arcs of rotation are drawn for each point as it is rotated is, they form concentric circles.

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