Eric Nicholas K's answer to idununderstandasinglething's Secondary 3 E Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Part d (continued from the previous post)

I assume you have learnt how to find the area of sectors and the concept of radian form for angles. Let me know if you have not done so yet or if you do not understand any of my workings.