SAT Math · Geometry and Trigonometry
SAT Lines, Angles, and Triangles Practice
Use angle relationships, parallel lines, congruent and similar triangles to find missing lengths and angles.
102practice questions
40easy
29medium
33hard
About These Questions
There are 102 official questions for this skill in the College Board question bank: 40 easy, 29 medium and 33 hard. 77 are multiple choice and 25 are student-produced responses, where you type your own answer. Each one has the official answer and explanation.
Tips for Geometry and Trigonometry
- Use the SAT reference sheet for area, volume and special right triangles instead of memorizing everything.
- Draw and label the figure, even when one is given, and mark every length you know.
- Remember that sin x = cos(90° − x), and that a circle's equation shows its center and radius.
Related Skills
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