3: Geometry Last updated Dec 25, 2024 Save as PDF 2.8: Percents 3.1: Review of Triangles and Theory Surrounding Triangles Page ID174257 ( \newcommand{\kernel}{\mathrm{null}\,}\) 3.1: Review of Triangles and Theory Surrounding Triangles3.2: Similar Triangles3.3: Types of Angles3.4: Reference Angles3.5: Common Areas3.6: Common Volumes