Arnold K H Tan's answer to Yos's Secondary 4 E Maths Singapore question.
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b ii) uses a common triangle, in order to calculate the answer, the 4th skill I teach my students.
The 3 other required skills for this topic are:
1. Ratio of areas based on similar triangles, as seen for b i)
2. Ratio of areas for triangles with the same height (1st part of working for b ii) )
3. Ratio of areas of triangles that share a common angle.
The 3 other required skills for this topic are:
1. Ratio of areas based on similar triangles, as seen for b i)
2. Ratio of areas for triangles with the same height (1st part of working for b ii) )
3. Ratio of areas of triangles that share a common angle.
Date Posted:
4 years ago
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