Question

ABC is an isoseles triangle with AB=AC.And angle ACD is an exterior angle which is equal to 110°. Fond angle BAC​

Answer 1

Answer:

i think answer is 55 degree

Answer 2

Answer:

If ab = ac than abc is a isosceles triangle

angle acb + angle acd = 180 ( angle on straight line )

angle acb + 110= 180

angle acb = 70

We know that abc is a isosceles triangle

so angle abc = angle acb

Applying angle sum property

angle bac + angle acb + angle cba = 180

angle bac + 70 + 70= 180

angle bac + 140 = 180

angle bac = 40

So angle bac is 40 degree

Step-by-step explanation:

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