- Look up
subtend in Wiktionary, the free dictionary. In geometry, an
angle is
subtended by an arc, line segment, or any
other section of a
curve when its...
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smallest optotype identified subtends an
angle of five
arcminutes and the
critical distinguishing features of the
optotype subtend an
angle of one arcminute...
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viewed is
called the apex of the
solid angle, and the
object is said to
subtend its
solid angle at that point. In the
International System of
Units (SI)...
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Steradians can be used to
measure a
solid angle of any shape. The
solid angle subtended is the same as that of a cone with the same
projected area. In the SI...
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element is
reduced by the
cosine of the
emission angle, the
solid angle,
subtended by
surface visible to the viewer, is
reduced by the very same amount....
-
parallax and trigonometry, and is
defined as the
distance at
which 1 AU
subtends an
angle of one
arcsecond (1/3600 of a degree). The
nearest star, Proxima...
-
intersecting the
circle in two
distinct points A and B.
Central angles are
subtended by an arc
between those two points, and the arc
length is the central...
-
approximate angle subtended by a U.S. dime coin (18 mm) at a
distance of 4
kilometres (about 2.5 mi). An
arcsecond is also the
angle subtended by an object...
-
areas of mathematics. It is
defined such that one
radian is the
angle subtended at the
centre of a
circle by an arc that is
equal in
length to the radius...
- two
chords intersect on the circle. It can also be
defined as the
angle subtended at a
point on the
circle by two
given points on the circle. Equivalently...
