Identify The Different Parts Of A Circle

  • CCSS.Math.Content.HSG
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| By Dayal
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Dayal
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Quizzes Created: 5 | Total Attempts: 23,355
| Attempts: 10,376 | Questions: 5 | Updated: Mar 22, 2025
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1) Name the center of this circle.

Explanation

The center of a circle is the point that is equidistant from all points on the circumference of the circle. In this case, Point Q is the only point that is equidistant from all the given points P, T, and R. Therefore, Point Q is the center of the circle.

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About This Quiz
Identify The Different Parts Of A Circle - Quiz

Yes, the circle has parts! A circle may seem the same at all points but the quiz below will enlighten you on identifying the parts of a circle. It is a challenge worth a shot. Enjoy the discovery!

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2) What is PR (or PQR)?

Explanation

Diameter goes from one side of the circle to the other and always passes through the center.

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3) Which of the following is a chord, but not a diameter?

Explanation

Line PR is the diameter and line QR is a radius. A radius is not a chord.

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4) If PQ is 3 cm long, then how long is PR?

Explanation

Line PQ is the radius. The radius is half of the diameter. If you double the radius you will find the diameter.

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5) Which of the following is a radius?

Explanation

In a circle, the radius is a line segment that connects the center of the circle to any point on the circle. In this question, PQ, QR, and QS are all line segments that connect the center of the circle to different points on the circle. Therefore, all of the given options (PQ, QR, QS) are examples of radii.

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  • Answered
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Name the center of this circle.
What is PR (or PQR)?
Which of the following is a chord, but not a diameter?
If PQ is 3 cm long, then how long is PR?
Which of the following is a radius?
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