Year 9
Investigate constant trig ratios
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Guided activity · Untimed · No grade
Build similar right triangles at different scales. Compare opposite/hypotenuse, adjacent/hypotenuse and opposite/adjacent at the marked angle, and explain why the ratios stay equal.
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Review your work
- Check that your representation matches the question you chose.
- Use the checked calculations or test cases to find and correct errors.
- Explain what your result means and one limitation. Review written reasoning yourself or with a teacher.
Checked calculations and tests support your review. Written explanations and real-world data collection are self- or teacher-reviewed.
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