Interior Angles of Triangles Math Worksheet 4 - Answer Key showing solutions for finding angle X in each triangle.
Math worksheet titled "Angles of Triangles" showing eight triangles with interior angles labeled and solutions for finding angle X using the formula X = (180° - sum of other angles) / 2. Each triangle has a different color and angle values, with step-by-step calculations and final answers provided. The worksheet is labeled "Answer Key" and includes the DadsWorksheets.com logo.