Geometry: lines Flashcards by Ella Manthorp

Q

Angles on straight line are supplementary

A

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Q

Adjacent angles are supplementary

Outer arms of angles form straight line

A

Adj

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Q

Angles in a revolution add up to 360 degrees

A

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Q

Vertically opposite angles equal

A

Vert opp

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Q

Alternate angle equal

A

Alt

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Q

Corresponding angles equal

A

Corresp

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Q

Co-interior angles supplementary

A

Co-int

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Q

Proving parallel:

Alternate angles

A

Alt

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Q

Proving parallel:

Corresponding angles

A

Corresp

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Q

Proving parallel:

Cointerior angles

A

Coint

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