Han Song's answer to Danielle's Secondary 4 E Maths Singapore question.

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Han Song
Han Song's answer
89 answers (A Helpful Person)
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Hope it helps
Danielle
Danielle
6 years ago
hi why is it (a-5)/ 2 and not (a-5)/8 ??
Han Song
Han Song
6 years ago
I am comparing the biggest triangle and the smallest triangle.