Need help with question 9 and 10!!!

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Singapore

Need help with question 9 and 10!!!

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Note:1.Triangle not drawn to scale
2. sina/A=sinb/B
A/sina=B/sinb
(It is interchangeable)

Date Posted: 6 years ago