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Honors Geometry
Foundations of Geometry
Logic and Proof
Parallel and Perpendicular Lines
Congruent Triangles
Relationships in Triangles
Quadrilaterals
Proportions and Similarity
Right Triangles and Trigonometry
Transformations
Circles
Areas of Polygons and Circles
Surface Area and Volume
Coordinate Geometry
Vectors
Non–Euclidean Geometries
Glossary
All Key Terms
Honors Geometry
Browse all Honors Geometry Key Terms
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δabc ≅ δdef
π
π (pi)
∆abc
∠
∠a ≅ ∠d
∠abc
≅
1:1:√2 ratio
1:√3:2 ratio
30-60-90 triangle
30-60-90 triangle theorem
45-45-90 triangle
45-45-90 triangle theorem
A
A = πr²
A square is a rectangle and a rhombus
AA Similarity
Aa similarity criterion
AA Similarity Postulate
AA Similarity Theorem
AAA Congruence
AAS
AAS Theorem
Ab
Acute angle
Acute angles in a 30-60-90 triangle
Acute triangle
Acute triangle centroid properties
Adding areas
Addition of Vectors
Adjacent Angles
Adjacent side
Algebraic proof
All angles are right angles in rectangles
All sides are congruent in rhombuses
Alternate exterior angles
Alternate interior angles
Alternate interior angles theorem
Altitude
Altitude Proportion
Altitude Theorem
Angle
Angle Addition Postulate
Angle between vectors
Angle Bisector
Angle Bisector Theorem
Angle deficit
Angle diagrams
Angle Inequality
Angle of depression
Angle of elevation
Angle of rotation
Angle of rotation theorem
Angle Sum Property
Angle Sum Theorem
Angle-side relationship
Angular Defect
Apothem
Applications in trigonometry
Arc Length
Arc length formula
Arccosine
Archimedes
Architectural design
Architecture
Arcsine
Arctangent
Area
Area Formula
Area of a Circle
Area of a kite
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About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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