Mathematics
Dictionary Letter A
Dictionary
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Abacus
Abductive Reasoning
Abscissa
Absolute Error
Absolute Value
Acceleration
Accuracy
Acre
Acute Angle
Acute Triangle
Add
Addend
Addition
Additive Identity
Additive Inverse
Adjacent
Adjacent Angles
Adjacent Faces
Adjacent Side (triangle)
Adjacent Sides
Algebra
Algorithm
Alternate Exterior Angles
Alternate Interior Angles
Alternating Series
Altitude
Altitude (geometry)
AM
Amplitude
Analog
Analog Clock or Watch
Analogy
And
Angle
Angle Bisector
Angle of Depression
Angle of Elevation