For example, the sum of the interior angles of a spherical triangle exceeds 180 degrees.
From the en.wikipedia.org
A spherical triangle is a geodesic triangle on the sphere.
From the en.wikipedia.org
The book contains formulae for right-handed triangles, the general law of sines, and the solution of a spherical triangle by means of the polar triangle.
From the en.wikipedia.org
The identity may be derived by considering the triangles formed by the tangent lines to the spherical triangle subtending angle C and using the plane law of cosines.
From the en.wikipedia.org
The top is a spherical triangle in spherical geometry, the middle shows a hyperbolic triangle in hyperbolic geometry and the bottom is a triangle in Euclidean geometry.
From the en.wikipedia.org
Once that is determined, the values are applied to a spherical triangle, and the angle from the local meridian to the required direction of Mecca can be determined.
From the en.wikipedia.org
The internal division into upper and lower chapels is clearly marked on the outside by a string-course, the lower walls pierced by smaller windows with a distinctive spherical triangle shape.
From the en.wikipedia.org
He listed the six distinct cases of a right-angled triangle in spherical trigonometry.