Transversal Angles, Angles and Transversals, Transversal

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Corresponding Angles (Definition)

-Angles in the same place on different lines -they are congruent

Corresponding Angles (angle examples)

Angles 2 and 6

Alternate Exterior Angles (Examples)

Angles 2 and 7 What other two angles are Alternate Exterior Angles

Alternate Interior Angles (Examples)

Angles 3 and 6 are What other two angles are Alternate Interior Angles?

Supplementary Angles (Definition)

Angles that add to 180 degrees. (straight line)

Vertical Angles (Definition)

Angles that are across from one another. EQUAL (congruent) to one another.

Where are your interior angles located with a transversal

Between the lines

Where are your External Angles located with a transversal

Located on the outside

What does alternate mean in the world of a Transversal Line

Opposite Side of the line The word 'alternate' is usually used with pairs of angles, to indicate that each is on opposite sides of a line. In the figure below, the two angles are called alternate angles because they are on opposite sides of the sloping transversal line.

Exterior angles of triangles

The sum of opposite interior angles is equal to the exterior angle.

Transversal (Definition)

a line that intersects two or more parallel lines

Interior angles of triangles

angles of a triangle add up to 180

Congruent Angles (Definition)

angles with the same measure

Alternate Exterior Angles (Definition)

exterior angles, non-adjacent, and on opposite sides of the transversal and congruent (equal)

Alternate Interior Angles (Definition)

interior angles, non-adjacent and on opposite sides of the transversal and congruent (equal)

Parallel Lines (Definition)

lines that never intersect

Complementary Angles (Definition)

two angles whose measures have a sum of 90 degrees (corner)


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