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Conditions of Vertical Angles

Author:Sarah Khaled, GeoGebra Materials Team

Topic:Angles

Vertical angles are formed by intersecting lines. <AED and <CEB are vertical angles. <AEC and <DEB are vertical angles.

The two angles <AED and <CEB have:

Select all that apply

A
same vertex E
B
common side
C
[ED) is the elongation of [EC)
D
[EB) is the elongation of [EA)

Check my answer (3)

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