I can't resist to make assumption for this question though my school teacher kee

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primary 6 | Maths
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primary 6 Maths

I can't resist to make assumption for this question though my school teacher keeps reminding me no assumption. :(
I have derived answers as:
Part (a) : triangle OAB
Part (b) : 75degree
I could be wrong. Kindly help to advise the correct working solution on this question. Thanks !!!

Date Posted: 7 years ago

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done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Hope this helps.. for these types of qn.. better not to assume and try to do some inference from the qn

Date Posted: 7 years ago

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Avis Yeo

7 years ago

Yes I will heed your advice. :)
Will avoid making assumption in future, though I did derive the same answer as you but I think it is a fluke. Your explanation is very clear. Thanks a great deal !