What is the approximate value of $$\text{π}$$ ?

The approximate value of $$\text{π}$$ is 3.14.

How do you calculate the area of a semicircle?

The area (A) of a semicircle is given by the formula: A = $$\frac{1}{2} \times \text{π} \times r^2$$ .

What is the perimeter of a semicircular flower bed with a diameter of 5m?

The perimeter is 12.85m, calculated as C = $$\text{π} \times r + d$$ , where r = 2.5m and d = 5m.

What is the formula for the area of a partial circle (sector)?

The area (A) of a sector is given by the formula: A = $$\frac{\theta}{360} \times \text{π} \times r^2$$ , where $$\theta$$ is the angle in degrees.

How do you find the circumference of a circle with a radius of 4m?

The circumference is 25.12m, calculated as C = $$\text{π} \times d$$ , where d = 8m.

What is the diameter of a circle with a radius of 3m?

The diameter is 6m, since d = 2r.

If a circle has a circumference of 31.4m, what is its diameter?

The diameter is 10m, calculated as d = $$\frac{C}{\text{π}}$$ .

What is the area of a circle with a radius of 2m?

The area is 12.56m², calculated as A = $$\text{π} \times r^2$$ .

What is the difference between the area and circumference of a circle?

The area measures the space inside the circle, while the circumference measures the distance around the circle.

M3L18 Area and Circumference of Circles and Partial Circles Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the formula for the circumference of a circle?

Back

2.

FLASHCARD QUESTION

Front

What is the formula for the area of a circle?

Back

3.

FLASHCARD QUESTION

Front

How do you find the radius of a circle if you know the diameter?

Back

4.

FLASHCARD QUESTION

Front

What is the relationship between diameter and radius?

Back

The diameter (d) is twice the radius (r): d = 2r.

5.

FLASHCARD QUESTION

Front

What is the formula for the circumference of a semicircle?

Back

6.

FLASHCARD QUESTION

Front

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

Back

7.

FLASHCARD QUESTION

Front

Back

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

15 questions

Dot Plots and Histograms

Flashcard

•

6th Grade

16 questions

Fractions to Decimals

Flashcard

•

6th Grade

10 questions

Alliteration

Flashcard

•

5th - 7th Grade

16 questions

Practice Basic Vocab list #1

Flashcard

•

6th - 8th Grade

16 questions

THERMAL ENERGY TRANSFER

Flashcard

•

6th - 8th Grade

9 questions

Scale Drawings - Reductions/Enlargements

Flashcard

•

5th Grade

10 questions

Informatika 7 bab 3

Flashcard

•

7th Grade

12 questions

TỪ VỰNG BÀI 1 (B1)

Flashcard

•

KG

Popular Resources on Wayground

16 questions

Grade 3 Simulation Assessment 2

Quiz

•

3rd Grade

19 questions

HCS Grade 5 Simulation Assessment_1 2526sy

Quiz

•

5th Grade

10 questions

Cinco de Mayo Trivia Questions

Interactive video

•

3rd - 5th Grade

17 questions

HCS Grade 4 Simulation Assessment_2 2526sy

Quiz

•

4th Grade

24 questions

HCS Grade 5 Simulation Assessment_2 2526sy

Quiz

•

5th Grade

13 questions

Cinco de mayo

Interactive video

•

6th - 8th Grade

20 questions

Math Review

Quiz

•

3rd Grade

30 questions

GVMS House Trivia 2026

Quiz

•

6th - 8th Grade

Discover more resources for Mathematics

14 questions

Volume of rectangular prisms

Quiz

•

7th Grade

17 questions

Georgia Milestones 7th Grade Math Review- Units 1 and 2: Integers, Rational Numbers, Expressions, Equations, Inequalities

Quiz

•

7th Grade

22 questions

Simple Probability

Quiz

•

7th Grade

20 questions

Graphing Inequalities on a Number Line

Quiz

•

6th - 9th Grade

21 questions

Math Review

Quiz

•

7th Grade

5 questions

8.PS/PFA Quizizz Day 4

Quiz

•

6th - 8th Grade

5 questions

8.MG.1-5 Quizizz Day 2

Quiz

•

6th - 8th Grade

5 questions

8.MG.1-5 Quizizz Day 1

Quiz

•

6th - 8th Grade