In math we are working on intersecting and perpendicular lines.Intersecting lines are lines that cross or meet.Perpendicular lines cross or meet at right angles.When you work on them opposite angles are equal to each other.
ex.There was 2 intersecting lines 4 parts in it.one of them was 120 degrees so across from that it would be the same,120 degrees. The other on was 60 degrees so across from that it would be another 60 degrees.
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