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Triangle ABC is an isosceles triangle with AB = AC and A = 100°. Extend the ray........What is the measure of angle BDC?

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Triangle ABC is an isosceles triangle with AB = AC and A = 100°. Extend the ray from A to B until point D such that AD = BC, as shown below. What is the measure of angle BDC?

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posted Apr 1, 2022 by Mishthy Mukherjee

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