Worksheet for calculating unknown angles in triangles and parallel lines.
A worksheet titled "Angles in Triangles and Parallel Lines" with six geometric figures, each showing angles with one unknown angle to be determined. Options for answers are provided at the top: 24°, 52°, 42°, 125°, 50°, and 48°. The worksheet includes triangles and parallel lines with labeled angles and a question mark indicating the unknown angle.