Exploring Circle Concepts

Exploring Circle Concepts

9th Grade

15 Qs

quiz-placeholder

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Exploring Circle Concepts

Exploring Circle Concepts

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Ramanathan Saitechinfo

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of a circle?

A circle is a straight line that connects two points.

A circle is the set of all points in a plane that are equidistant from a fixed point called the center.

A circle is a polygon with three sides.

A circle is a type of triangle.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radius of a circle?

The radius is the distance from the center to any point on the circle.

The radius is twice the length of the diameter.

The radius is equal to the circumference.

The radius of a circle is half of its diameter.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the diameter of a circle?

The diameter is half the circumference.

The diameter is equal to the radius.

The diameter of a circle is twice the radius.

The diameter is the distance from the center to the edge.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the radius and diameter?

The radius and diameter are equal.

The diameter is half the radius.

The diameter is twice the radius.

The radius is twice the diameter.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define the term 'circumference' in relation to circles.

The circumference is the distance around a circle.

The circumference is the diameter of a circle.

The circumference is the area of a circle.

The circumference is the radius of a circle.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the circumference of a circle?

C = πd

C = 2r

C = πr^2

C = 2πr

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of a circle?

A = r² + h²

A = πr²

A = πd

A = 2πr

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