Serena Loh's answer to Sarah Tong's Secondary 4 E Maths Singapore question.

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Serena Loh
Serena Loh's answer
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1st
Answer for part (iii) is different could be due to number of dp used
Sarah Tong
Sarah Tong
3 years ago
why is CO = xcm , and not OA = xcm for qn (i) ? Thx
Serena Loh
Serena Loh
3 years ago
CO=OA=x
both are radius of the circle
Sarah Tong
Sarah Tong
3 years ago
Yup , it's becus of dp but no worries , I settled , thank you !
Serena Loh
Serena Loh
3 years ago
no problem!