Question

in right angled triangle ABC angle B = 90 degree. find magnitude of angle A.
i) AB is root times of Bc
ii) BC is root 3 times of AB
times

Answer 1

ii) BC is root 3 times of AB

times

Given, ∠ABC=90∘, 3AB=BC

Now, tanA=BP=ABBC=AB3×AB

tanA=3

tanA=tan60

A=60∘