adjacent angles
2 angles that share a common side and have the same vertex.
vertical angles
opposite" angles.
opposite angles
2 angles formed by the intersection of 2 or more lines that are congruent.
Congruent
Same size, same shape.
Name a pair of vertical angles.
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Is <1 adjacent to <4?
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Is <1 adjacent to <2?
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Are the 2 angles put together acute?
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Is <1 vertical to angle 8?
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What is the measure of < CEA?
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Name an angle congruent to <2
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Name a pair of adjacent angles.
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Name a pair of adjacent angles.
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Is < 3 adjacent to angle ABE
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Is < ABE vertical to < ABD?
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