Use sine, cosine and tangent to find unknown sides in right-angled triangles. A challenge set for students ready to stretch further. This Year 10 worksheet has 8 questions and comes with a full answer sheet showing the working for every question.
Instant download · No sign-up · Free for personal, classroom and homeschool use
Curriculum: Australian Curriculum. We show specific outcome codes only where they have been verified against the official curriculum document.
Completed: Year 10 Trigonometry (Finding Sides) Worksheet — Level 3
Ready for more? Move on to Year 11 Mathematics.
Year 10 students (typically ages 15–16) working on trigonometry. It is pitched at level 3 · challenge; an easier version is linked above.
Yes. The PDF includes a full answer sheet with the working for every question. You can also view the answers online.
About 20 minutes for 8 questions. Short, regular sessions work best: two or three a week beats one long one.
No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.
Explore more Year 10 mathematics resources.
Year 10 · Mathematics · Trigonometry
Student name:
Date:
Score: /
Label the sides (opposite, adjacent, hypotenuse), choose the ratio (SOH CAH TOA), then solve.
Preview — the PDF contains the full resource and answer sheet.
Use sine, cosine and tangent to find unknown sides in right-angled triangles. Expected-level practice for this year group. This Year 10…
Worksheet · Year 9 · Trigonometry · Level 1 · Easier
Worksheet · Year 11 · Trigonometry · Level 3 · Challenge
Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.