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21 Cards in this Set
 Front
 Back
Through any two points there is ____.

Exactly one line.


The intersection of two lines is a ___.

Exactly one point.


Through any ___ there is exactly one plane.

3 noncollinear points.


If two planes intersect, their intersection is a ___.

Line.


If two angles form a linear pair, then they are ___.

Supplementary.


Vertical angles are ___.

Congruent.


If two angles are supplementary to the same angle, then they are ___.

Congruent.


If two sides of two adjacent acute angles are perpendicular, then the angles are ___.

Complementary.


If two parallel lines are cut by a transversal, ___ are supplementary.

Consecutive interior angles.


If two parallel lines are cut by a transversal, ___ are congruent.

Corresponding angles, alternate interior angles, alternate exterior angles.


The sum of the measures of the interior angles of a triangle equals ___.

180 degrees.


The acute angles of a right triangle are ___.

Complementary.


The measure of the exterior angle of a triangle is equal to the __ of the ___.

Sum; 2 remote interior angles.


If two sides of a triangle are congruent, then the angles opposite them are ___.

Congruent.


If a triangle is equiangular, then it is ___.

Equilateral.


If a point is on the perpendicular bisector of a segment, then it is ___ from the __.

Equidistant; endpoints of the segment.


If a point is on the bisector of an angle, then it is ___ from the ___.

Sides of the angle.


The midsegment of a triangle is ___ to the third side and ___ its length.

Parallel; half.


The sum of any two sides of a triangle is ___ the third side.

Greater than.


The incenter of a triangle is ____ from the ___ of the triangle.

Equidistant; sides of the triangle.


The circumcenter of a triangle is ___ from the ___ of the triangle.

Equidistant; vertices
