CH Wong's answer to trish's Secondary 4 A Maths Singapore question.

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CH Wong
Ch Wong's answer
148 answers (Tutor Details)
1st
There you go.
CH Wong
CH Wong
4 years ago
I made a mistake on the second line. It should be h=a-r. The rest of the working is correct. My apologies.
trish
Trish
4 years ago
thank you so much!