How Do You Find Missing Sides in a 30°-60°-90° Triangle?

How Do You Find Missing Sides in a 30°-60°-90° Triangle?

Note:

Looking at a 30-60-90 triangle? Trying to find a missing side length? You could use the Pythagorean theorem, or you could use your knowledge of this special type of triangle to get that missing measurement. In this tutorial, see how to solve for a missing side length by using your knowledge of 30-60-90 triangles to find a scale factor and set up an equation to solve!

Keywords:

  • problem
  • example
  • 30 60 90 triangle
  • right triangle
  • missing leg
  • missing side

Background Tutorials

  • Triangle Definitions

      • What are Acute, Obtuse, and Right Triangles?What are Acute, Obtuse, and Right Triangles?

      What are Acute, Obtuse, and Right Triangles?

      Did you know that there are different kinds of triangles? Knowing how to identify these triangles is an important part of solving many problems involving these triangles. Check out this tutorial and learn about some of the different kinds of triangles!

  • Right Triangles and the Pythagorean Theorem

  • 30°-60°-90° Right Triangles

      • What is a 30-60-90 Degree Triangle?What is a 30-60-90 Degree Triangle?

      What is a 30-60-90 Degree Triangle?

      A 30-60-90 triangle is a special right triangle with some very special characteristics. If you have a 30-60-90 degree triangle, you can find a missing side length without using the Pythagorean theorem! Check out this tutorial to learn about 30-60-90 triangles!

Further Exploration

  • 30°-60°-90° Right Triangles

      • How Do You Find Missing Sides in a 30°-60°-90° Triangle?How Do You Find Missing Sides in a 30°-60°-90° Triangle?

      How Do You Find Missing Sides in a 30°-60°-90° Triangle?

      Looking at a 30-60-90 triangle? Trying to find a missing side length? You could use the Pythagorean theorem, or you could use your knowledge of this special type of triangle to get that missing measurement. In this tutorial, see how to solve for a missing side length by using your knowledge of 30-60-90 triangles to find a scale factor and set up an equation to solve!