Question

in triangle ABC AB=AC and B =45 then angle A is equals to​

Answer 1

Answer:

a= 90

Step-by-step explanation:

it is an isoscles triangle so its opp anglea are always equal angle c =45

According to angle sum property a+b+c= 180

a+45+45=180

a=180-90

a=90

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Answer 2

Answer:

90

Step-by-step explanation:

it is an iscoleses triangle so it's opposite sides are alwaya equal hence c =45

ANGLE SUM PROPERTY A+B + C =180

A+45+45 =180

A+90=180

A= 180-90

A=90

hope it helps you