In a triangle ABC ,AB is perpendicular to BC,angle ACB =30 degree ,AB=15metre, find the length of BC?
Answers
Answered by
5
Answer:
In this type of ques when angle and length of side is given, we use trigonometry.
according to question,
height=15m
angle ACB=30°
Tan(angleACB) =AB/BC
Tan30°=15/BC
BC=15√3m
hence answer is 15√3m
Similar questions