The triangle is a flat surface bounded by three lines that intersect two to two in three points called vértices.El triangle is the polygon with the least number of sides, three sides, three angles and three vértices.El symbol Δ is used to designate a triangle and the plural Δs, are used to name the letters of their vertices or a Roman numeral placed inside the triangle.
TRIÁNGULOSSEGÚN CLASSIFICATION sides
EQUILATERAL
has three equal sides
Isosceles has at least two equal sides. Equal sides form an angle that is contrary to a side called the base. The angle opposite the base is called the vertex angle.
SCALENE
not have equal sides
by Angles
acutangula
has its three angles acute.
RECTANGLE
has a right angle. The sides forming the right angle are called legs and the side opposite this angle is called the hypotenuse.
obtuse
has an obtuse angle.
STRAIGHT AND NOTEWORTHY POINTS OF THE TRIANGLE
In any triangle can observe and draw some lines and points for their properties and characteristics are important, they are:
MEDIUM
segment is drawn from one vertex to the midpoint of the opposite side.
has an obtuse angle.
STRAIGHT AND NOTEWORTHY POINTS OF THE TRIANGLE
In any triangle can observe and draw some lines and points for their properties and characteristics are important, they are:
MEDIUM
segment is drawn from one vertex to the midpoint of the opposite side.
is the point where the bisectors intersect and is also the center of the circle circumscribed to the triangle
is the point among the three bisectors and is also the center of the circle inscribed in the triangle
HEIGHT.
is the point where the three alturas.En Intersept every triangle the centroid, circumcenter and orthocenter are aligned, ie are collinear points as part of the so-called straight Euler.
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