In a ΔABC right angled at B, if BC= 4 cm and ∠C = 60°, then length of AB is:
Answer & explanation
Correct answer: option 1
In triangle ABC ,
tan C = \(\frac{AB}{BC}\)
According to question ,
tan 60º = √3
Now,
√3 = \(\frac{AB}{4}\)
AB = 4√3
In a ΔABC right angled at B, if BC= 4 cm and ∠C = 60°, then length of AB is:
Correct answer: option 1
In triangle ABC ,
tan C = \(\frac{AB}{BC}\)
According to question ,
tan 60º = √3
Now,
√3 = \(\frac{AB}{4}\)
AB = 4√3