Williams' Wonderful World of Math

Congruent Angles
Vertical Angles - 1 & 4, 2 & 3, 5 & 8, 6 & 7
Alternate Interior Angles - 3 & 6, 4 & 5
Alternate Exterior Angles - 1 & 8, 2 & 7
Corresponding Angles - 1 & 5, 2 & 6, 3 & 7, 4 & 8

Angles That Total 180 Degrees
Consecutive Angles - 3 & 5, 4 & 6
And, any angles that sit adjacent to one another and form a straight line!

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