The Student Room Group

TRigonometry help

Pls help
Attachment not found
Attachment not found
Original post by Laboromniavincit
Pls help
Attachment not found


use cosine rule to find the angle AB and then you can gt your perimeter.

hope I helped )
51CF7AF6-74E5-470E-BDEA-328713793815.jpg.jpeg
Original post by NaskoAtanasov
51CF7AF6-74E5-470E-BDEA-328713793815.jpg.jpeg


Please don’t post full solutions on the maths forum it is against the rules
Thank you so much . You are a genius !! U hv to help me with few others ...pls
Original post by NaskoAtanasov
51CF7AF6-74E5-470E-BDEA-328713793815.jpg.jpeg


You are a lifesaver can I msg you with other problems?
Yeah ofcourse you can
Original post by Laboromniavincit
You are a lifesaver can I msg you with other problems?


I think you're better off posting it publicly, so more people can see it. However you most likely will not receive full solutions as it is against the rules. It's better to understand where you've gone wrong or how to proceed rather than just replicating a solution. But do as you wish.
(edited 5 years ago)

Quick Reply

Latest