SAT Right Triangles and Trigonometry Worksheet
Right-triangle and trig questions combine Pythagorean logic with sine, cosine, and tangent ratios. They also often hide a similar-triangles shortcut. This worksheet page turns that skill into a focused review asset: what to know, what to practice, and what to check before moving on.
What this worksheet covers
Right Triangles and Trigonometry belongs to the Geometry and Trigonometry domain on the Digital SAT Math section.
Use this as a one-skill worksheet before timed modules. The goal is not just to get questions right, but to recognize the pattern quickly under SAT timing.
- Official skill: Right triangles and trigonometry
- Section: Math
- Domain: Geometry and Trigonometry
- Best use: focused drill session before a timed module
Rules to remember
Before drilling this skill, memorize the core rules below and keep them next to your scratch work.
- Recognize 3-4-5, 5-12-13, 8-15-17, and 7-24-25 Pythagorean triples.
- Use SOH-CAH-TOA to set up a ratio, not to memorize triangles.
- Similar triangles share angles — use proportional sides to solve.
Practice routine
Start untimed until you can explain the pattern. Then switch to timed sets so the skill holds up inside a full module.
- Do 10 warmup questions and write down every mistake type.
- Do 20 timed questions from the same skill.
- Review missed questions without looking at the explanation first.
- Repeat the misses 48 hours later to confirm the fix stuck.
Practice on 1600.now
FAQs
How do I practice SAT right triangles and trigonometry?
Drill right triangles and trigonometry as its own skill first, then mix it into timed modules. Isolated practice builds the pattern; timed modules prove you can use it under pressure.
Is right triangles and trigonometry important on the Digital SAT?
Yes. It is part of the official Geometry and Trigonometry domain for the SAT Math section, so it can appear on real test forms.
Should I review explanations after every question?
Review every missed or guessed question. Correct guesses still hide weak reasoning, and weak reasoning becomes expensive on hard Module 2.