Question

In ∆ ABC if AB = BC and angle B=60 then angle A = ____

a) 60
b) 30
c) 45
d) 70
​

Answer 1

Answer:

60° is the answer

.......

Answer 2

Answer:

<A=60

Step-by-step explanation:

AB=BC

SO, <A=<C

LET <A=x

SO, <C=x

NOW,

<A+<B+<C=180

x+60+x=180

60+2x=180

x=60

so, <A=<C=x=60