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Calculating Circle Sector Areas

Calculating Circle Sector Areas

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This tutorial explains how to find the area of a circle sector by identifying the fraction of the circle that is shaded and multiplying it by the total area of the circle. It provides examples with different sector angles and demonstrates a detailed calculation using a specific example. The tutorial concludes with a summary of the steps involved in the process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the area of a circle sector?

Measure the diameter of the circle.

Calculate the circumference of the circle.

Identify the fraction of the circle that is shaded.

Find the radius of the circle.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a sector is 180° out of 360°, what fraction of the circle does it represent?

1/4

1/2

3/4

1/3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sector with a 90° angle represents what fraction of the circle?

1/2

1/3

1/4

3/4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What fraction of the circle is represented by a 270° sector?

3/4

1/4

1/3

1/2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example with a 120° sector, what fraction of the circle does it represent?

3/4

1/4

1/3

1/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value is used for pi in the example calculation?

3.1415

3.2

3.14

3.14159

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radius used in the example calculation?

5 ft

3 ft

4 ft

2 ft

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