Poster including:
- how to label your triangle
- sine rule
- cosine rule
- area of a triangle
(For non right-angled triangles)
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Really clear and useful. Thanks!
Clear and uncluttered
All the rules, the labelling of a triangle. Visual and precise. Thank you
It may be helfpul to include parenthesis in the formula listed for finding the angles using the Cosine rule. If they use a calculator without the parenthesis, they will get an error. A student pointed out this to me :)
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