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Geometry 4. Level 1. Are the lines parallel?. Corresponding Angles are equal. Corresponding angles. a. a. Vertically opposite angles are equal. a. a. a. Alternate angles are equal. a. a. a. Are these lines parallel?. a + c = 180 ( ). a + c = 180 ( ).
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Geometry 4 Level 1
Corresponding Angles are equal
a + c = 180 ( ) These must add to 180
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