Circle Parts

Circle Parts

9th Grade

20 Qs

quiz-placeholder

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Circle Parts

Circle Parts

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
7.G.B.4, HSG.C.A.2

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is true about a tangent and a radius at the point of contact?

They intersect at a 45-degree angle.

They are parallel to each other.

They intersect at a 90-degree angle.

There is no specific angle at which they intersect.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements is true about the radius and diameter of a circle?

The diameter is twice the length of the radius.

The radius is twice the length of the diameter.

The diameter and radius are always equal.

The radius is half the length of the diameter.

Tags

CCSS.HSG.C.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a line touches a circle at exactly one point, what is this line called?

Chord

Secant

Tangent

Diameter

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the diameter of a circle is 10 cm, what is the radius?

20 cm

5 cm

10 cm

2.5 cm

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the radius of a circle is 8 inches, what is the diameter?

4 inches

8 inches

16 inches

32 inches

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a circle has a radius of 7 cm, what is the length of the diameter?

3.5 cm

7 cm

14 cm

28 cm

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following best describes how to identify a tangent line to a circle on a coordinate plane?

It is a line that crosses the circle at two points.

It is a line that touches the circle at exactly one point and is perpendicular to the radius at that point.

It is any line that passes through the center of the circle.

It is a line that makes a 45-degree angle with a diameter of the circle.

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