Source Word
angle
IPA(Pronunciation)
Noun
slang
Japanese Meaning
平面角 — 2本の半直線(または線分)が共通の始点から伸びて形成される角。 / 立体角 — 3つの面が交わることで形成される角(立体における角の概念)。
Sense(1)
Sense(2)
(geometry)
The
measure
of
such
a
figure.
In
the
case
of
a
plane
angle,
this
is
the
ratio
(or
proportional
to
the
ratio)
of
the
arc
length
to
the
radius
of
a
section
of
a
circle
cut
by
the
two
rays,
centered
at
their
common
point.
In
the
case
of
a
solid
angle,
this
is
the
ratio
of
the
surface
area
to
the
square
of
the
radius
of
the
section
of
a
sphere.
Sense(4)
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( plural )