Find the missing measure of angles for an isosceles triangle

The video tutorial explains the properties of isosceles triangles, focusing on the equality of two angles. It introduces the use of variables to represent unknown angle measures and demonstrates how to solve for these unknowns using equations. The tutorial concludes with a check-in to ensure student understanding.

How do the angles of a triangle relate to the total sum of 180 degrees?

What steps would you take to solve for x if you know one angle is 40 degrees?