Question

In triangle ABC BC equals to AB and Angle B is 80 then angle A is equal to

Answer 1

Step-by-step explanation:

let the angle a be x

80+x=180

x. =180-80

=180

Answer 2

clearly it is a isoleses triangle so

angle B = angle c which is 80

so sum of all angles in a triangle। is 180

80+80+angleA = 180

therefore Angle A is 20 degree

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