Triangle ABC is an isosceles triangle. What is the measure of ∠ACD?

answers:
1. 40°

2. 70°

3. 110°

4. 140°

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*

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