Question

In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of vertex angle of the triangle is?​

Answer 1

Answer:

the measure of vertex angle of the triangle is 120° .

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Answer 2

Answer:

Hence , the measure of vertex angle of the triangle is 120° .

Step-by-step explanation:

Hence , the measure of vertex angle of the triangle is 120° .