- a side of a
triangle subtends the
opposite angle. More generally, an
angle subtended by an arc of a
curve is the
angle subtended by the corresponding...
- The
solid angle subtended at the
center of a cube by one of its
faces is one-sixth of that, or 2π/3 sr. The
solid angle subtended at the
corner of a...
- shape. The
solid angle subtended is the same as that of a cone with the same
projected area. A
solid angle of one
steradian subtends a cone
aperture of approximately...
-
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...
-
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....
- in
position of a star as seen from the
Earth and Sun, i.e. the
angle subtended at a star by the mean
radius of the Earth's
orbit around the Sun. The...
- in a
plane that
subtends an arc
whose length equals the
radius of the circle. More generally, the
magnitude in
radians of a
subtended angle is
equal to...
- of
angular measurement are
defined such that one turn (i.e., the
angle subtended by the cir****ference of a
circle at its centre) is
equal to n units, for...
- {\displaystyle {\frac {a+b}{a}}={\frac {a}{b}}} The
golden angle is then the
angle subtended by the
smaller arc of
length b. It
measures approximately 137.5077640500378546463487...
- "standard vision" as the
ability to
recognize one of his
optotypes when it
subtended 5
minutes of arc. Thus the
optotype can only be
recognized if the person...
