Geometry Vocabulary Words

Symmetry
Line of symmetry
Reflection and Rotation Symmetry

Angles
Acute
Obtuse
Right
Straight Angle
Vertex
Rays
Compliments/Complimentary Angles
Supplements/Supplementary Angles


Area
Perimeter
Units

Polygons
Triangles
Acute Trui
Obtuse Tri
Right tri
Scalene Tri
Isosceles Tri
Equilateral Tri
Quadrilaterals
Square
Rectangle
Rhombus
Kite
Parallelogram
Pentagon
Hexagon
Central Angle

Special Angles
Parallel Lines
Perpendicular Lines
Transeveral
corresponding Angles
Alternate Interior Angles
Same Side Interior Angles

Reasoning
Justify
Arrow Diagram
Conditional Statement
If-Then Statement
Flow Chart
Proof

Similarity and Congruence
Congruent
Ratio
Proportion
Corresponding Parts
SSS Similarity
AA Similarity
SAS Similarity

Trigonometry
Ratio