If you know the radius of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve. Watch this tutorial to see how it's done!
Want to find the radius of a circle? Already have the area? Then you can use the formula for the area of a circle to solve! This tutorial shows you how to use that formula and the given value for the area to find the radius. Take a look!
If you have the diameter of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve. Watch this tutorial to see how it's done!
Trying to find the area of a sector of a circle? Then check out this tutorial! You'll see how to use given information and the formula for the area of a sector to find the answer. Take a look!
Did you know that you can figure out the formula for the area of a circle by first turning the circle into a parallelogram? It seems a little weird, but it really works! Watch this tutorial to see how it's done!
A sector is just a fraction of the area of a circle. Did you know that there's a formula to help you find the area of a sector? In this tutorial, you'll learn how to find that formula! Take a look!