- geometry, a
vertex angle is
an angle (shape) ****ociated with a
vertex of an n-dimensional polytope. In two
dimensions it
refers to the
angle formed by two...
- geometry,
an angle is the
figure formed by two rays,
called the
sides of the
angle,
sharing a
common endpoint,
called the
vertex of the
angle.
Angles formed...
-
point where two
lines meet to form
an angle and the
corners of polygons and
polyhedra are vertices. The
vertex of an angle is the
point where two rays begin...
-
speak of the
angle subtended by
an arc
of a
circle when the
angle's vertex is the
centre of the circle.
Central angle Inscribed angle Definition of subtended...
- 261–264 The sum
of the
internal angle and the
external angle on the same
vertex is π
radians (180°). The sum
of all the
internal angles of a
simple polygon...
- A
central angle is
an angle whose apex (
vertex) is the
center O
of a
circle and
whose legs (sides) are
radii intersecting the
circle in two
distinct points...
- a
vertex,
perpendicular to the
opposite plane, by
an angle of ±120°: 4 axes, 2 per axis,
together 8 ((1 2 3), etc.; 1 ± i ± j ± k/2)
rotation by
an angle...
-
Angle trisection is a
classical problem of straightedge and comp****
construction of ancient Gr**** mathematics. It
concerns construction of an angle equal...
- is acute.
An angle bisector of a
triangle is a
straight line
through a
vertex which cuts the
corresponding angle in half. The
three angle bisectors intersect...
- right-
angled vertex, the
right triangle's orthocenter—the
intersection of its
three altitudes—coincides with the right-
angled vertex. The
radius of the...