- of
angles:
vertical angles,
consecutive interior angles,
consecutive exterior angles,
corresponding angles,
alternate interior angles,
alternate exterior...
- to
solve for
arbitrary angles. However, some
special angles can be trisected: for example, it is
trivial to
trisect a
right angle. It is
possible to trisect...
-
number of sides, all
angles are
equal if and only if the
polygon is regular. A
cyclic polygon with an even
number of
sides has all
angles equal if and only...
-
exterior angles,
interior angles,
alternate exterior angles,
alternate interior angles,
corresponding angles, and
consecutive interior angles. When summing...
-
length and the
opposite angles of a
parallelogram are of
equal measure. The
congruence of
opposite sides and
opposite angles is a
direct consequence of...
-
quadrilateral with four
right angles. It can also be
defined as: an
equiangular quadrilateral,
since equiangular means that all of its
angles are
equal (360°/4 =...
- they
generate some lift at
small negative angles of attack. A
symmetrical wing has zero lift at 0
degrees angle of attack. The lift
curve is also influenced...
- sides) is
equilateral if and only if the
alternate angles are
equal (that is,
angles 1, 3, 5, ... are
equal and
angles 2, 4, ... are equal). Thus if the number...
-
interior angles on the same side that are less than two
right angles, then the two lines, if
extended indefinitely, meet on that side on
which the
angles sum...
-
exterior angles that can be
formed at a
vertex by
extending alternately one side or the
other are
vertical angles and thus are equal. The
interior angle concept...