1) Which lines are intersecting? a) b) c) 2) Intersecting lines form... a) angles b) spirals c) pairs 3) Which lines are parallel? a) b) c) 4) Parallel lines... a) never cross b) cross in the middle c) form angles 5) Which lines are perpendicular? a) b) c) 6) Perpendicular lines form... a) spirals b) right angles c) pairs

3.12.4 Sides of Polygons

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