Question

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Part 1
An equilateral triangle and an isosceles triangle share a common side. What is the measure of ​ABC?

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Answer 1

Explanation:

Since ABC is part of an equilateral triangle, it must measure 60 degrees. This can be determined by understanding the properties of equilateral triangles.

Equilateral triangle imageOpens in a new window

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Equilateral triangle image

In an equilateral triangle, all angles are equal and measure 60 degrees. This means that angle ABC is also 60 degrees, regardless of the properties of the isosceles triangle.