Question

In a triangle ABC, AB equal to BC equal to CA, the measurement of each its angles is
A) 60 B)45 C)30 D)none of these

Answer 1

Hi



In triangle ABC
It is given that AB=BC=CD
Therefore it is an equilateral triangle
So ,
Angle ABC=AngleBCA=Angle CAB=x

Angle ABC+Angle BCA+Angle CAB=180
x+x+x=180
3x=180
X=180/3
X=60