Virtual Nerd: How Do You Find the Area of a Sector of a Circle?

How do you find the area of a sector of a circle? Use the formula of course. Then all you have to do is plug in the given values and do the math. Make sure you are following the rules of order of operation. The instructor will walk you...

Watch this tutorial to see how you can use the radius of a circle to find the area of that circle. [3:18]

If you have the diameter of a circle, you can use it to find the area of that circle. Watch this tutorial to learn how it's done. [4:01]

Take a look at this tutorial to see how to break down a composite figure into simpler figures, then discover how to find the area of each of those individual figures to find the area of the entire composite figure. [4:18]

To find the area of a trapezoid you must have the length and height of each base. Get a better understanding of how to find the area by watching this tutorial. [4:19]

If you know the length of the base and height, it's easy to find the area of a parallelogram. This tutorial walks you the process of solving for area. [4:38]

If you know the length of the base and the height of a triangle, it's easy to find the area. This tutorial illustrates how to plug the numbers into the formula for the area of a triangle and solve. [3:44]

Review for your SAT by brushing up on Venn diagrams. Watch this video on how to find the union and intersection of sets. [1:58]

Review for the SAT by reviewing how to figure out if the values in a replacement set are part of a solution set to an inequality. Watch this video for an example. [2:03]

Go back to the basics and review how to find the square root of a perfect square. This video will walk you through the process and provide examples. [1:59]