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How many triangles can be constructed with angles measuring 80º, 80º, and 40º?A noneB oneC more than one

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One triangle can be formed

Looking at the angles, we can see that we have two angles that are equal

What this mean is that at any point in time, there will be two equal sides

Hence, following definition, we have it that the type of triangle that would be formed will be isosceles

Thus, we have one triangle that can be formed

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