8.1.5 Area of a circle and sector

Presentation

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Medium

Tiffany Madison

Used 1+ times

FREE Resource

4 Slides • 11 Questions

8.1.5 Area of a Circle & Sector

By Ms. Madison

Area of a circle

Multiple Choice

Calculate the area of the circle in terms of $\pi$

11π

22π

121π

200π

Multiple Choice

Calculate the area of the circle in terms of $\pi$

12.5π sq. cm

25π sq. cm

156.25π sq. cm

625π sq. cm

Multiple Choice

What is the area of the pizza if the radius is 6”?

$6\pi$

$12\pi$

$36\pi$

$144\pi$

Multiple Choice

What is the area of an 18” pizza (the diameter is 18 inches)?

$9\pi$

$18\pi$

$81\pi$

$324\pi$

Multiple Choice

If the area of the pizza is 100π square inches, what is the radius?

100

Multiple Choice

If the area of the pizza is 169π square inches, what is the diameter?

84.5

169

Now let’s find the area of a slice of pizza 😋

Multiple Choice

You order a 12” pizza (the diameter is 12in). What is the area of the slice of pizza below?

$6\pi$ sq. in.

$9\pi$ sq. in.

$12\pi$ sq. in.

$36\pi$ sq. in.

Multiple Choice

You order a 12” pizza (the diameter is 12in). What is the area of the slice of pizza below?

$6\pi$ sq. in.

$9\pi$ sq. in.

$12\pi$ sq. in.

$36\pi$ sq. in.

Multiple Choice

You order a 18” pizza (the diameter is 18in). What is the area of the slice of pizza below?

$6\pi$ sq. in.

$9\pi$ sq. in.

$12\pi$ sq. in.

$36\pi$ sq. in.

What is a Sector of a Circle

The sector of a circle is the part enclosed by two radii and the included arc of a circle. It is represented by the symbol ⌔.

A slice is also known as a sector!

Multiple Choice

Calculate the area of the sector.

$9\pi$ sq. m.

$18\pi$ sq. in.

$36\pi$ sq. in.

$324\pi$ sq. in.

Open Ended

Describe how to calculate the area of a sector.

Type response here

8.1.5 Area of a Circle & Sector

By Ms. Madison

Show answer

Auto Play

Slide 1 / 15

SLIDE

Similar Resources on Wayground

12 questions

Solving Logarithmic Equations

Presentation

•

9th - 12th Grade

12 questions

Asymptotes

Presentation

•

9th - 12th Grade

12 questions

Trigonometric Ratios

Presentation

•

9th - 12th Grade

11 questions

Ch. 3 Justification & Similarity Review

Presentation

•

9th - 12th Grade

10 questions

Solving Systems by Substitution

Presentation

•

8th - 12th Grade

11 questions

Logarithms to Exponential

Presentation

•

10th - 12th Grade

12 questions

Sequence Notation

Presentation

•

9th - 11th Grade

10 questions

Graphing Linear Systems

Presentation

•

9th - 12th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Mathematics

12 questions

Absolute Value Equations

Quiz

•

9th Grade

20 questions

Function or Not a Function

Quiz

•

8th - 9th Grade

11 questions

Slope from 2 points

Quiz

•

8th - 9th Grade

10 questions

Exploring the Basics of Exponents

Interactive video

•

6th - 10th Grade

10 questions

Solving Absolute Value Equations

Quiz

•

9th Grade

20 questions

Unit 5 Test RSC (25-26)

Quiz

•

10th Grade

18 questions

SB 12.2 Write in point slope form

Quiz

•

9th Grade

12 questions

Identify Rigid Transformations

Quiz

•

8th - 12th Grade