a combination of a conditional statement and its converse
what is biconditional?
100
a transversal intersects two parallel lines, then alternate interior angles are supplementary
what is same-side angles theorem?
100
if the three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent
What is SSS postulate?
200
angle whose measure is between 0 and 90 degrees
what is acute angle?
200
figures in the same plane
what is coplaner?
200
two angles whose measures of a sum of 90
what is complementary angles?
200
transversal intersects two parallel lines, then corresponding angles are congruent
what is corresponding angles postulate?
200
if two sides and the included angle of one triangle are congruent to two sides and the included angles of another triangle, then the two triangles are congruent
What is SAS postulate?
300
angle whose measure is between 90 and 180 degrees
what is obtuse angle?
300
a ray that divides an angle into two congruent coplaner angles
what is angle bisector?
300
statement that says vertical angles are congruent
what is vertical angles theorem?
300
the measure of each exterior angle of a triangle equals the sum of the measures of its two remote interior angles
what is triangles exterior angles theorem?
300
if two sides of a triangle are congruent, then the angles opposite those sides are congruent
What is isosceles triangle theorem?
400
an angle whose measure is 180 degrees
what is straight angle?
400
the point on a line segment that divides it into two congruent segments
what is midpoint?
400
two angles whose measures have a sum of 180
what is supplementary angles?
400
if two lines and a transversal form alternate interior angles that are congruent, then the two lines are parallel
what is converse of the alternate interior angle theorem?
400
if the hypotenuse and leg of one right triangle are congruent to the same of another right triangle, then the triangles are congruent
What is HL theorem?
500
two coplaner angles with a common side, common vertex, but no common interior points
what is adjacent angle?
500
noncoplaner lines
what is skew lines?
500
Converse
What is switches the hypothesis and conclusion?
500
Corallary
What is the measure of an exterior angle of a triangle is greater than the measure of either of it remote interior angles?
500
if a triangle is equiangular, then the triangle is equilateral