Matthew Chang's answer to Issabelle's Secondary 2 Maths Malaysia question.

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Matthew Chang
Matthew Chang's answer
3 answers (Tutor Details)
1st
Take note:
By Pythagoras Theorem, when there is a right-angled triangle,
The square of one side (next to the right angle) + square of another side (next to the right angle) = The square of the side opposite the right angle.

Hope this helps!:)