Geometry - Circle Area and Circumference - Practice

40 Topics, 5 Skills

Circles - Find Diameter from Radius

Topic 1

Circumference (with calculator)

Topic 2

Circumference from Radius - to Pi Value

Topic 3

Circumference - Equation to Radius

Topic 4

Multiply by Pi - Approximation from Number

Topic 5

Multiply by Pi - Approximation

Topic 6

Circumference from Diameter

Topic 7

Circumference - Radius to Equation

Topic 8

Circumference from Diameter (with calculator)

Topic 9

Circumference - to Pi Value

Topic 10

Circle from Diameter - To Pi Value

Topic 11

Circle from Radius - To Pi Value

Topic 12

Multiply by Pi - Approximation

Topic 13

Circumference from Diameter

Topic 14

Circumference

Topic 15

Circle - To Pi Value

Topic 16

Circle from Radius

Topic 17

Circle from Diameter (with calculator)

Topic 18

Circle from Diameter

Topic 19

Circle

Topic 20

Parts of a Circle

Topic 21

Circumference - Diameter to Equation

Topic 22

Circumference from Radius (with calculator)

Topic 23

Circumference from Diameter - to Pi Value

Topic 24

Circumference - Equation to Diameter

Topic 25

Circle from Diameter - To Pi Value

Topic 26

Multiply by Pi - Approximation from Number

Topic 27

Multiply by Pi - Approximation

Topic 28

Circumference from Radius

Topic 29

Circumference from Radius

Topic 30

Circle from Radius - To Pi Value

Topic 31

Circle from Radius (with calculator)

Topic 32

Circles - Find Radius from Diameter

Topic 33

Circle from Diameter

Topic 34

Circle

Topic 35

Circumference

Topic 36

Circle - To Pi Value

Topic 37

Circle from Radius

Topic 38

Circles - Find Radius from Diameter

Topic 39

Circle (with calculator)

Topic 40

Area of a Circle from Diameter

Level 2

This math topic focuses on the concept of calculating the area of a circle given its diameter. The practice problems, which are part of Geometry - Circle Area - Intro, require students to find the area without using a calculator and with approximation that π is slightly more than 3. It covers different levels of complexity, providing multiple choice answers to each problem.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Circle from Diameter

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the area without using a calculator. Remember that π is just a bit more than 3.

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