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Find three (3) Verical Angles

Vertical angles are equal:

<1 & <4 are vertical angles

<2 & <3 are vertical angles

<5 & <8 are vertical angles

<6 & <7 are vertical angles

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Find three (3) Corresponding angles.

Corresponding angles are equal:

<1 & <5 are corresponding angles

<2 & <6 are corresponding angles

<3 & <7 are corresponding angles

<4 & <8 are corresponding angles

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Find two (2) Alternate Interior Angles.

Alternate Interior angles are the angles in between the parallel lines and are equal.

<3 & <6 are Alternate Interior Angles

<5 & <4 are Alternate Interior Angles

*Hint, it makes a "Z" forwards and/or backwards

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Find two (2) Alternate Exterior Angles 

Alternate Exterior Angles are equal and lay outside the paralell lines.

<1 & <8 are Alternate Exterior Angles

<2 & <7 are Alternate Exterior Angles 

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Find four (2) same side interior angles

Same side interior angles are angles inside the parallel lines on the side of the transversal:

<3, <5 are all same side interior angles.

<4, <6 are all SSI angles.

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Find two (2) same side exterior angles 

Same side exterior angles are angles outside the parallel lines on the side of the transversal:

<1, <7 are all same side exterior angles.

<2, <8 are all SSE angles.

 Perpendicular lines

Lines that intersect at 90 degrees.  To form 4 right angles.

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