Parallel Lines & Transversals
Transversal A line, ray, or segment that intersects 2 or more COPLANAR lines, rays, or segments.
interior INTERIOR –The space INSIDE the 2 lines EXTERIOR -The space OUTSIDE the 2 lines exterior
Special Angle Relationships Interior Angles Alternate Interior Angles –
Special Angle Relationships Same-Side Interior Angles –
Special Angle Relationships Exterior Angles Alternate Exterior Angles –
Special Angle Relationships Same-Side Exterior Angles –
Special Angle Relationships Corresponding Angles:
Special Angle Relationships Vertical Angles:
Special Angle Relationships Supplementary Angles:
Special Angle Relationships Adjacent Angles –
Parallel Lines & Transversals DAY #2
Special Angle Relationships WHEN THE LINES ARE PARALLEL ♥Alternate Interior Angles are CONGRUENT ♥Alternate Exterior Angles are CONGRUENT If the lines are not parallel, these angle relationships DO NOT EXIST.
Special Angle Relationships WHEN THE LINES ARE PARALLEL ♥Same Side Interior Angles are SUPPLEMENTARY ♥Same Side Exterior Angles are SUPPLEMENTARY ♥Supplementary Angles are SUPPLEMENTARY If the lines are not parallel, these angle relationships DO NOT EXIST.
Special Angle Relationships WHEN THE LINES ARE PARALLEL ♥Corresponding Angles are CONGRUENT ♥Vertical Angles are CONGRUENT If the lines are not parallel, these angle relationships DO NOT EXIST.
Let’s Practice m<1=120° Find all the remaining angle measures ° 120°
Another practice problem Find all the missing angle measures. 137°