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Geometry Vocab Part

5th Grade Geometry Vocabulary

TermDefinition
Parallel Two lines that never meet and are always the same distance apart.
Perpendicular Two lines that meet at a right angles (90 degrees)
Right Angle An angle that measures exactly 90 degrees.
Acute Angle An angle that measures less than 90 degrees.
Obtuse Angle An angle that measures more than 90 degrees but less than 180 degrees.
Right Triangle A triangle with one angle that measures exactly 90 degrees.
Obtuse Triangle A triangle with one angle that measures more than 90 degrees.
Acute Triangle A triangle where all three angles measure less than 90 degrees.
Equilateral Triangle A triangle with all three sides the same length and all three angles equal
Isosceles Triangle A triangle with exactly two sides of equal length
Scalene Triangle A triangle with all three sides of different lengths.
Created by: user-2028533
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