I only need help for question 17D,I already have the answer,but I just don’t u

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Secondary 1 Maths

I only need help for question 17D,I already have the answer,but I just don’t understand how to arrive at the answer,please explain to me.

Date Posted: 6 years ago

Jovita Lim Si Yi

6 years ago

I got similar question for my sa2 too

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Date Posted: 6 years ago