Lines, Angles, Triangles — Digital SAT SAT Math revision notes
A 3-page visual revision sheet for Lines, Angles, Triangles, written for Digital SAT SAT Math. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Lines, Angles, Triangles sheet covers
- Two parallel lines cut by one transversal
- Worked: two expressions for one angle
- Triangle rules worth carrying
- the three angles of any triangle
- an exterior angle equals the two remote interior ones
- isosceles: equal sides face equal angles
- similar triangles, every pair of matching sides in one ratio
- perimeter scales the same way a single length does
- The four names, and the shape each one makes
- Vertically opposite
- Corresponding
- Alternate interior
- Co-interior
- Worked: angles in a ratio
- Worked: an exterior angle
- Similar triangles: one ratio, every length
- triangle ABC
- triangle DEF
- Pacing, the sheet and the figures
- Symbols and terms
- Traps that cost points
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans SAT Math chapter by chapter against your real exam dates and free hours, and when the plan reaches Lines, Angles, Triangles the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.
More SAT Math revision notes
- Area and Volume
- Circles
- Equivalent Expressions and Polynomials
- Evaluating Statistical Claims
- Inference and Margin of Error
- Linear Equations
- Linear Functions
- Linear Inequalities
- Nonlinear Equations in One Variable
- Nonlinear Functions
- Nonlinear Systems
- One-variable Data
- Percentages
- Probability and Conditional Probability
- Ratios, Rates and Proportions
- Systems of Equations
- Triangles and Trigonometry
- Two-variable Data
- Units, Rates and Conversions