Area of a triangle using sineIB MYP Maths Extended: Mind map

Exam questions on Area of a triangle using sine

1. In triangle $ABC$, $AB=10$ cm, $BC=14$ cm and $A\hat BC=30^\circ$.
   Find the shortest distance from $A$ to the line $BC$.2 marks
2. $PQRS$ is a parallelogram with $PQ=12$ cm, $QR=9$ cm and $P\hat QR=70^\circ$.
   Find the length of the diagonal $PR$.2 marks
3. A ship leaves port $A$ and sails 8 km on a bearing of $040^\circ$ to a buoy $B$. It then sails 6 km on a bearing of $100^\circ$ to a second buoy $C$.
   Find the angle $A\hat BC$.3 marks