136k views
3 votes
How to do this question plz ​

How to do this question plz ​-example-1
User Dr Schizo
by
4.5k points

1 Answer

4 votes

Answer:

BC = 8.8 cm

Explanation:

Use the law of sines.


(\sin A)/(a) = (\sin B)/(b) = (\sin C)/(c)


(\sin 33^\circ)/(a) = (\sin 112^\circ)/(15)


a = (15 \sin 33^\circ)/(\sin 112^\circ)


a = 8.8

BC = 8.8 cm

User Pogibas
by
5.3k points