Terms Flashcards
Supplementary Angles
two angles whose measures add up to 180º
two angles whose measures add up to 180º
Supplementary Angles
Complementary Angles
two angles whose measures add up to 90º
two angles whose measures add up to 90º
Complementary Angles
Linear Pair
a linear pair is a pair of adjacent angles formed when 2 lines intersect
a pair of adjacent angles formed when 2 lines intersect
Linear Pair
Supplement Postulate
If two angles form a linear pair, then the angles are supplementary
If two angles form a linear pair, then the angles are supplementary
Supplement Postulate
Vertical Angles Theorem
If two lines intersect, then the vertical angles are congruent
If two lines intersect, then the vertical angles are congruent
Vertical Angles Theorem
postulate
an idea that is assumed to be true or something that is self-evident
an idea that is assumed to be true or something that is self-evident
postulate
theorem
an idea that has to be shown to be true through a chain of reasoning, often called a proof
an idea that has to be shown to be true through a chain of reasoning, often called a proof
theorem
Right Angles Theorem
All right angles are congruent
