Shayna Tian's answer to Jennifer's Secondary 3 E Maths Singapore question.

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Shayna Tian
Shayna Tian's answer
8 answers (Tutor Details)
As attached! For finding length of segment between two points in a plane, apply distance formula (which just draws on pythagoras theorem). Distance formula: distance between two points is the square root of (x1-x2)^2 + (y1-y2)^2