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Shape Island is an American animated children's television series based on the children's books Triangle, Circle, and Square written by Mac Barnett and illustrated by Jon Klassen. [3] It features Harvey Guillén as the voice of Square, Gideon Adlon as the voice of Circle, and Scott Adsit as the voice of Triangle.
The sum of the angles of a spherical triangle is not equal to 180°. A sphere is a curved surface, but locally the laws of the flat (planar) Euclidean geometry are good approximations. In a small triangle on the face of the earth, the sum of the angles is only slightly more than 180 degrees. A sphere with a spherical triangle on it.
A sphere is the only stable shape for a non-rotating, gravitationally self-attracting liquid. The outward acceleration caused by Earth's rotation is greater at the equator than at the poles (where is it zero), so the sphere gets deformed into an ellipsoid, which represents the shape having the lowest potential energy for a rotating, fluid body ...
This sphere was a fused quartz gyroscope for the Gravity Probe B experiment, and differs in shape from a perfect sphere by no more than 40 atoms (less than 10 nm) of thickness. It was announced on 1 July 2008 that Australian scientists had created even more nearly perfect spheres, accurate to 0.3 nm, as part of an international hunt to find a ...
They included both music and text and were introduced by an extended essay on the rudiments of singing. Each song was known by the name given to its tune rather than by a title drawn from the text." [1] The following is a partial list of the shape note tunebooks published over the last two centuries. The list is divided according to the two ...
If the sphere is isometrically embedded in Euclidean space, the sphere's intersection with a plane is a circle, which can be interpreted extrinsically to the sphere as a Euclidean circle: a locus of points in the plane at a constant Euclidean distance (the extrinsic radius) from a point in the plane (the extrinsic center). A great circle lies ...
Modulation is sometimes said to be problematic for shape-note systems, since the shapes employed for the original key of the piece no longer match the scale degrees of the new key; [5] but the ability to use of sharp and flat symbols along with shape notes is a matter of the range of sorts available to the typographer and musical preferences.
A spherical segment Pair of parallel planes intersecting a sphere forming a spherical segment (i.e., a spherical frustum) Terminology for spherical segments.. In geometry, a spherical segment is the solid defined by cutting a sphere or a ball with a pair of parallel planes.