Concentric circles
Concentric circles are coplanar circles that share the same center. However, radii of concentric circles are not congruent or equal.
Concentric circle
The circles above are examples of concentric circles. Notice that the radius of the smaller circle is shown in black while the radius of the big circle is shown in red.
The region outside the smaller circle but inside the big circle is called annulus.
To name a circle, we use the name of the center. Since concentric circles have the same center, you may wonder how to name concentric circles.
You may use the radii to that end!
For example, to name the big circle, you could say circle with center A and radius Y.
Recent Articles
-
How To Find The Factors Of 20: A Simple Way
Sep 17, 23 09:46 AM
There are many ways to find the factors of 20. A simple way is to... -
The SAT Math Test: How To Be Prepared To Face It And Survive
Jun 09, 23 12:04 PM
The SAT Math section is known for being difficult. But it doesn’t have to be. Learn how to be prepared and complete the section with confidence here.
100 Tough Algebra Word Problems.
If you can solve these problems with no help, you must be a genius!
