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1
Noun
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1.1
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right angle
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From Wiktionary
Noun
[
change
]
Singular
right angle
Plural
right angles
A
right angle
(
geometry
) A
right angle
is a 90
degree
angle
(π/2
radians
). This is the type of angle in the
corner
of a
square
.
See also
[
change
]
acute angle
obtuse angle
Categories
:
Nouns
Multiword terms
Geometry
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