Fiveable
Fiveable

Area of a Circle

Definition

The area of a circle refers to the amount of space enclosed by its circumference.

Analogy

Think about cutting out circular cookies from dough. The area would be like measuring how much dough you used for each cookie.

Related terms

Pi (π): Pi is an irrational number that represents the ratio between a circle's circumference and its diameter. It's approximately 3.14159.

Sector Area: A sector area is part of a circle enclosed by two radii and an arc, similar to slicing up your pizza into smaller pieces.

Annulus: An annulus refers to the region between two concentric circles, like when you stack different-sized circular objects on top of each other.



© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.


© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.