Geometry Angles, Lines, and Polygons Review

Vocabulary practice flashcards reviewing properties of polygons, angle pairs, parallel line relationships, and triangle theorems.

rhombus properties

all 4 sides are conrugent, diagonlas are perp, diagonals bisect angles

rectangle properties

4 90 degree angles, diagonals are congruent

parallelogram properites

opposite angles are congruent, opposite sides are parallel, opposite sides are congruent, consectutive angles are supp, diagonals bisect each other

triangle midsegment theorem

the midsegment of a triangle is parallel to a side of the triangle is equal to $1/2$ of the side it is.

vertical angles

angles that are across form each other when 2 lines intercect (they share vertex)

same side interior angles

2 angles that lie inside parallel and are on the same side of the transversal

isosceles triangle therom

if 2 sides of a triangles are congruent the angles opposite those sides are congruent

triangle sum therom

the three angles of a triangle always add up to $180$

alternate interior angles

2 angles that lie inside parallel lines and are in opposite sides and opposite ends of the transversal

supplementary angles

2 angles that add up to $180$

same side extiror angles

angles that lie outside the parallel lines but on the same side of the transversal

complementary angles

2 angles that add up to $90$ degrees

alternate extrior angles

2 angles that lie outside parallel lines and are on opposite sides and opposite ends of the transversal

extiror angle therom

the extiror angle of a triangle is equal to the sum of the 2 remote interior angles

corresponding angles

2 angles that occupy the same spot in their respective group of 4 angles when parallel lines are cut by a traversal

linear pair

2 adjacent angles that add up to $180$

adjacent angles

2 angles that share a common vertex and a common side