Lesson
Transversals
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crusso_50618
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• Slide 1
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Transversals

and Angle Pairs

• Slide 2
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What is a transversal?

It is a line that intersects at least two other lines.

• Question 3
60 seconds
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Q.

What is a transversal?

A line that intersects at least two other lines.

A line that intersects another line.

A line parallel to another line.

A line that is skew to another line.

• Slide 4
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This is an example of an transversal intersecting two lines.

• Question 5
180 seconds
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Q.

Which image(s) represent(s) the definition of a transversal?

• Slide 6
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Corresponding Angles

Corresponding angles are angle that are in the same location but in different intersections.

• Slide 7
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Corresponding Angles

• Number one does not show corresponding angle.

$\angle\ Y$  is in the lower right  and $\angle X$  is in the upper left

• Number 2 shows corresponding angles.  $\angle X\ and\ \angle Y$  are in the upper left.

• Number three shows corresponding angles.  $\angle X\ and\ \angle Y$  are in the upper right.

• Number 4 does not show corresponding angles.  $\angle X\ and\ \angle Y$  are not in the same relative location.

• Question 8
180 seconds
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Q.

Which images represent corresponding angles?

• Slide 9
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Alternate Interior Angles

$\angle1\ and\ \angle2\ are\ alternate\ interior\ angles.$  These angles are on alternate or opposite sides of the transversal and are inside lines m and n.

• Slide 10
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Alternate Exterior Angles

$\angle1\ and\ \angle2\ are\ alternate\ exterior\ angles.$  These angles are on alternate or opposite sides of the transversal and are on the exterior of the parallel lines.

• Question 11
180 seconds
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Q.

Select the images that represent alternate interior angles.

• Question 12
180 seconds
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Q.

Select the images that show alternate exterior angles.

• Slide 13
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Consecutive Interior Angles

Consecutive interior angles are angles that are on the same side of a transversal but not in the same relative location.

$\angle3\ and\ \angle5$  are consecutive interior angles.

$\angle4\ and\ \angle6$  are consecutive interior

• Question 14
180 seconds
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Q.

Zoom in on the picture. What angle are consecutive interior angles?

$\angle1\ and\ \angle4$
$\angle3\ and\ \angle5$
$\angle7\ and\ \angle8$
$\angle4\ and\ \angle6$