Circles
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High School Geometry
High School Geometry
Math

 Name _____________________________ Date ___________________ (Key 1 - Answer ID # 0859062)
1.

Draw a circle and inscribe an obtuse triangle in the circle.

2.

What is the name of the longest chord in any circle?

3.

Can any chord on a circle be a radius?

4.

Describe the three possible arcs that could be found on a circle.

5.

What is true of all radii of a circle?

6.

How many chords on a circle can be a diameter of the circle?

7.

What is a semicircle?

8.

Define a circle without using the word "round".

9.

What is an inscribed polygon?

10.

If an arc makes a central angle of 109°, is it a major or minor arc? Explain how you know.

11.

Draw a circle O with radius 22. Then draw radii and to form an angle of 60 degrees. What is the length of ?

12.

An isosceles right triangle inscribed in a circle. If the length of the two equal sides is 22 cm, find the radius of the circle.

13.

Circles that have same radius are called ______.
 semicircles conjoint circles concentric circles congruent circles

14.

A ______ is a line that intersects a given circle in two points.
 tangent chord secant diameter

15.

What is wrong with the statement: "All radii are congruent."?

16.

Jennifer is working on a sewing project. She has a circular piece of fabric, and needs to find the center. How can she do that?

17.

How can you illustrate the definition of a circle?

18.

Can any chord of a circle ever equal the radius?

Circles
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