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Triangles: Isosceles

In the figure below, what is the value of angle EAD? ![](data:image/svg+xml;base64,<?xml version="1.0" encoding="utf-8"?>
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)
Incorrect. [[snippet]]
Incorrect. [[snippet]]
Incorrect. [[snippet]]
Correct. [[snippet]] Since angle $$AED$$ and angle $$DEC$$ are supplementary angles, >$$\angle AED = 180^\circ - 160^\circ = 20^\circ$$. Given that $$EAD$$ is an isosceles triangle, you can find the measure of the base angles: >$$\angle EAD = \frac{180^\circ - 20^\circ}{2} = 80^\circ$$.
Incorrect. [[snippet]]
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