Printable Right Triangle Formula Chart
This one-page formula card is for students, tutors, and anyone working with right triangle problems. It has a two-column chart labeled Quantity and Formula, with rows for key relationships such as hypotenuse c = √(a² + b²), sin A = a / c, and cos A = b / c.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 97 KB
Free for personal, family and classroom use.
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Use it as a quick reference while solving homework, checking steps, or reviewing triangle ratios. Print it and keep it with your math notes, or open the PDF on a tablet while you work through practice problems.
Good for
- Quick reference during trigonometry homework
- Review right triangle formulas before a quiz
- Check sine and cosine ratios fast
Tip: Print on cardstock or laminate the sheet for repeated use.
5 files · PDF, DOCX, XLSX
Get every sheet: Right Triangle Practice Pack
This sheet plus 4 more in one download, with the editable Word and Excel files. Printable right triangle worksheets (Pythagoras and SOH-CAH-TOA) with worked answer keys, a trig ratio table from 0° to 90°, a Pythagorean triples list and a formula card.
$3.00 USD, one-time 5 files · about $0.60 each
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