Related articles:
Pythagorean theorem
Special right triangles
Equilateral triangle
Altitude (triangle)
Triangle inequality
Right triangle
Triangle center
Law of cosines
Incircle and excircles of a triangle
Median (geometry)
Nine-point circle
Trigonometry
Hypotenuse
Exterior angle theorem
Law of sines
Bisection
Spherical geometry
Centroid
Complementary angles
Law of tangents
Simplex
Cyclic quadrilateral
Congruence (geometry)
Pythagorean triple
Polygon
Center of mass
Geometry
Circle
Angle
Degeneracy (mathematics)
Key terms:
triangle
right triangle
vertices
hypotenuse
isosceles
centroid
interior angles
circumcenter
equilateral
triangle's
isosceles triangle
cosine
pythagorean
medians
equilateral triangle
incircle
scalene
circumcircle
midpoint
arccos
trigonometry
textrm
two triangles
obtuse
earth's surface
pythagorean theorem
euler's
bisector
law of sines
congruence
euclidean space
arcsin
congruent
side lengths
exterior angle
corresponding sides
triangles are similar
collinear
flatiron
parallelogram
spherical triangle
trigonometric functions
law of cosines
cartesian coordinates
traversal
similar triangles
angles are equal
hyperbolic triangle
angle opposite
aas
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