en.wikipedia.org/wiki/Solid_angle

In geometry, a solid angle (symbol: Ω) is the two-dimensional angle in three- dimensional space ... 3.1 Cone, spherical cap, hemisphere; 3.2 Tetrahedron; 3.3 Pyramid ... The solid angle of a sphere measured from any point in its interior is 4 π sr, ..... where φi ranges over all six of the dihedral angles between any two planes ...

www.answers.com/Q/A_cone_is_a_solid_made_from_a_polygonal_base_a_point_not_in_the_same_plane_as_the_base_and_all_points_between_them

Which of the following is soild consisting of a disc a point not in the same plane as the disc and all the points between them? A right cone is a solid consisting of ...

www.mathopenref.com/circle.html

There is a difference between a circle and a disk. A circle is a line, ... All points on the circle are equidistant (same distance) from the center point. Radius, The ...

math.stackexchange.com/questions/1981695/what-shape-is-a-calippo

Oct 23, 2016 ... The points on the circle half way between those, at π2, should map to the mid ... shape such that even if every point on the circle is connected to every point on the ..... The set C is the union of all solid cones with tips on σ and base Dr. The plane z=th, 0≤t≤1, intersects any such cone in a disc of radius r(1−t) ...

math.berkeley.edu/~giventh/hw140s.pdf

then all points equidistant to them are situated on the line perpendic- ular to the segment ... any region D on the (˙x, ˙y)-plane which does not contain the origin. This implies that .... curve at the point P = (x − u)3 is spanned by the velocity vector ..... of the disc, circle, cyclinder and Möbius strip are equal respectively to 1 , 0, 0, ...

amsi.org.au/teacher_modules/Cones_Pyramids_and_Spheres.html

Surface area of a cylinder; Pyramids; Cones; Oblique prisms, cylinders and ... Calculate the surface area of each solid, correct to 2 decimal places. .... The length of any of the straight lines joining the vertex to the circle is called ... A sphere is the set of all points in three-dimensional space whose distance from a fixed point O ...

www.andrew.cmu.edu/user/ramesh/teaching/course/48-175/lectures/8.SolidsAndSurfaces.pdf

Points can be inside a solid (indeed, a surface or any geometric figure), on the boundary ... by walls, floors and ceilings, are solids as are the physical elements that enclose them. ... The collection of points on the disc for all such discs constitutes a rotational ..... find the intersection point(s) between the line and the cone.

www.wfdf.org/files/WFDF_Rules_of_Ultimate_2017_-_FINAL_-_31_Dec.pdf

Jan 1, 2017 ... but may pass the disc in any direction to any team-mate. ... All players are responsible for administering and ... eighteen(18) metres from each goal line, midway between the sidelines. ... A game consists of a number of points. .... If an offensive player is within three (3) metres of the pivot point and, after the ...

math.ucr.edu/home/baez/physics/Relativity/SR/rigid_disk.html

Imagine our solid as made up of a large number of atoms A1, ..., An. Between any two nearby atoms Ai and Aj there is a "natural distance" dij, natural in the .... ship to accelerate the string's atoms to have them keep up with the leading ship. ... You could move each disk point such that not all points at equal distance from the ...

ocw.mit.edu/courses/aeronautics-and-astronautics/16-07-dynamics-fall-2009/lecture-notes/MIT16_07F09_Lec25.pdf

It is clear that, in this case, the path of any point in the rigid body which is at a ... First, we note that the disc is rotating with angular velocity ω1 about the axis MM . ... Here, φ is the angle between MM and the y axis. .... Putting it all together, we have, ... it is the locus of points made by the instantaneous axis of rotation as the ...