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jolli1 [7]
4 years ago
11

25 POINTS

Mathematics
1 answer:
mr Goodwill [35]4 years ago
4 0
[ 1 ] Given
[ 2 ] Exterior Sides Opposite Rays
[ 3 ] Definition of Supplementary angles
[ 4 ] First substitution
[ 5 ] Subtraction Property of Equality
[ 6 ] Second Substitution
[ 7 ] If corrsp. equal, the lines ||
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