# Using Area Formulas

### Popular Tutorials in Using Area Formulas

#### How Do You Find the Length of a Rectangle if You Know its Width and Area?

How do you find the length of a rectangle if you're given the width and the area? This tutorial shows you how!

#### How Do You Find the Area of a Rectangle?

To find the area of a rectangle, multiply the length times the width! This tutorial will show you how to find the area of a rectangle. Check it out!

#### How Do You Find the Area of a Triangle?

Finding the area of a triangle? Know the length of the base and the height? Then just take those values and plug them into the formula for the area of a triangle and solve! This tutorial shows you how.

#### How Do You Find the Area of a Parallelogram?

Looking for the area of a parallelogram? Got the length of the base and the height? Then plug those values into the formula for the area of a parallelogram and solve. This tutorial takes you through the process!

#### How Do You Find the Area of a Trapezoid?

Want to find the area of a trapezoid? If you have the length of each base and the height, you can use them to find the area. In this tutorial, you'll see how to identify those values and plug them into the formula for the area of a trapezoid. Then see how to simplify to get your answer!

#### How Do You Find the Height of a Triangle if You Know the Area and Base?

Want to find the height of a triangle? Already know the area and the length of the base? Then you can use the formula for the area of a triangle to find that missing measurement! Check out this tutorial to learn how!

#### How Do You Find the Base of a Parallelogram if You Know the Area and Height?

Want to find the length of the base of a parallelogram? Already know the area and the height? Then you can use the formula for the area of a parallelogram to find that missing measurement! Check out this tutorial to learn how!

#### How Do You Find the Height of a Trapezoid if You Know the Area and Bases?

Want to find the height of a trapezoid? Already know the area and the length of both the bases? Then you can use the formula for the area of a trapezoid to find that missing measurement! Check out this tutorial to see how!

#### How Do You Find the Area of a Composite Figure?

Composite figures are just a combination of simpler figures in disguise! In this tutorial, you'll see how to break down a composite figure into simpler figures. Then, see how to find the area of each of those individual figures to find the area of the entire composite figure. Watch the whole process in this tutorial!