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Study these flashcards

Alexei N.

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Perpendicular + Point Theorem

Through a point that is not on a given line, there is exactly 1 line perpendicular to the given line

Alternate Interior Angles Theorem

If 2 parallel lines are cut by a transversal, then alternate interior angles are congruent

Alternate Exterior Angles

If 2 parallel lines are cut by a transversal, then alternate exterior angles are congruent

Interior Angles on the Same Side Theorem

If 2 parallel lines are cut by a transversal, then interior angles of the same side are supplementary

Exterior Angles on the Same Side Theorem

If 2 parallel lines are cut by a transversal, then the exterior angles on the same side are supplementary

Corresponding Angle Postulate is bi conditional

If corresponding angles of a traversal intersecting 2 lines are congruent, then the two lines are parallel

Sum of Interior Angles of a Triangle Therom

Vertex Angles Theorem

Exterior Angle Theorem

Corresponding Altitudes Theorem

Isosceles Bisector Theorem

Opposite Angles of Congruent Sides of a Triangle Theorem

Long/Shorter sides + opposite angles in a triangle theorem

Sum of the Lengths of the Sides of a Triangle Theorem

The length of any side of a triangle theorem

Diagonal of a parallelogram Theorem

Quadrilateral with 2 congruent + parallel sides

Quadrilateral with 2 pairs of congruent sides Theorem

Parallelogram with unequal pairs of consecutive angles Theorem

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