How Do You Find Missing Angles in an Isosceles Triangle?

How Do You Find Missing Angles in an Isosceles Triangle?

Note:

Trying to find a missing interior angle measurement in a triangle? See if you're working with a special type of triangle such as an equilateral or isosceles triangle. If you are, that knowledge can help you. In this tutorial, see how identifying your triangle first can be very helpful in solving for that missing measurement. Take a look!

Keywords:

  • problem
  • triangle
  • isosceles
  • isosceles triangle
  • angles
  • angle
  • missing angle
  • find missing angle
  • find missing angles
  • congruent
  • congruent sides
  • congruent angles
  • equal sides
  • equal angles
  • triangle sum theorem
  • 180
  • 180 degrees
  • add to 180

Background Tutorials

  • Planes and Angles

      • What is an Angle?What is an Angle?

      What is an Angle?

      Angles are a fundamental building block for creating all sorts of shapes! In this tutorial, learn about how an angle is formed, how to name an angle, and how an angle is measured. Take a look!

  • Polygon Definitions

      • What is a Polygon?What is a Polygon?

      What is a Polygon?

      Got a closed figure with three or more sides? Then you have a polygon! In this tutorial, you'll learn about the properties of a polygon, see the names of the most popular polygons, and learn how to identify polygons. Check it out!

  • Finding Corresponding Parts

      • What Does Congruent Mean?What Does Congruent Mean?

      What Does Congruent Mean?

      If two figures have the same size and shape, then they are congruent. The term congruent is often used to describe figures like this. In this tutorial, take a look at the term congruent!

  • Simplifying Expressions

      • What are Like Terms?What are Like Terms?

      What are Like Terms?

      Combining like terms together is a key part of simplifying mathematical expressions, so check out this tutorial to see how you can easily pick out like terms from an expression

Further Exploration

  • Finding Angles in Triangles

      • How Do You Find a Missing Angle in a Triangle?How Do You Find a Missing Angle in a Triangle?

      How Do You Find a Missing Angle in a Triangle?

      Trying to find a missing interior angle measurement in a triangle? Already know the other two interior angle measurements? Then you're set! Just remember that the interior angles of a triangle ALWAYS add up to 180 degrees. This tutorial shows you how to put this knowledge into an equation and solve to find that missing measurement!