Geom quiz
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8 Terms
Conv of corresponding angles pos
If two lines are cut by a transversal so that corresponding angles are congruent, then the lines are parallel.
Alt ext angles conv
If two lines in a plane are cut by a transversal so that a pair of alternate exterior angles is congruent, then the two lines are parallel.
Same side int angles conv
If two lines in a plane are cut by a transversal so that a pair of consecutive interior angles is supplementary, then the lines are parallel.
Alt int angles conv
If two lines in a plane are cut by a transversal so that a pair of alternate interior angles is congruent, then the lines are parallel.
Perpendicular transversal conv
In a plane, if two lines are perpendicular to the same line, then they are parallel.
Triangle angle-sum theorem
The sum of the measures of the angles of a triangle is 180.
Ext angle theorem
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles.
Triangle angle sum corollaries
The acute angles of a right triangle are complementary.
There can be at most one right or obtuse angle in a triangle.