Question

Someone pls help me!!

Answer 1

`r = (12\sin 20\degree)/( \sin 35\degree )`

Explanation:

By sine rule

`(r)/( \sin \angle R ) = (p)/( \sin \angle P) \\ \\ (r)/( \sin 20\degree ) = (12)/( \sin 35\degree ) \\ \\ r = (12\sin 20\degree)/( \sin 35\degree )`