Log in

We think you are located in United States. Is this correct?

We use this information to present the correct curriculum and to personalise content to better meet the needs of our users.

Introduction

Previous
End of chapter exercises
Next
Units of length

Test yourself now

High marks in science are the key to your success and future plans. Test yourself and learn more on Siyavula Practice.

Sign up and test yourself

Chapter 16: Area and perimeter of 2D shapes

16.1 Introduction

Pi (\(\pi\)) is an irrational number. Expressed as a decimal number, it has an infinite number of decimals and no repeating pattern. Can you guess how many digits have been calculated for the value of \(\pi\)? In \(2021\), a supercomputer calculated \(\pi\) to \(\text{62,8}\) trillion decimal places!

Previous
End of chapter exercises
 		Table of Contents
Next
Units of length