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12 feet 20 feet ABCD Algebra altitude apothem arc NM area ABC centre chains chord circle whose diameter circular circumference College cone contained convex surface coördinates CPHL cube cylinder denote diagonals dihedral angle divided entire surface equal to one-half equation EXAMPLES faces find the area find the volume frustum Geom Geometry Half morocco hence hypothenuse Icosahedron included angle linear units lower base Mailing Price Mathe Mathematics matics miles morocco NFMH number of degrees number of linear number of radians Octahedron one-half the product PABC parallel parallelogram perpendicular Phillips Exeter Academy plane prism prismatoid prismoid Prof Proof quadrilateral radius regular polygon regular polyhedron Required the area right angles right-angled triangle RULE sector slant height sphere whose diameter spherical excess spherical polygon spherical segment Spherical Trigonometry square root Trig Trigonometry unit of measure upper base wedge WENTWORTH y₁ yards
Popular passages
Page 30 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.
Page 62 - If a heavy sphere, whose diameter is 4 inches, be let fall into a conical glass, full of water, whose diameter is 5, and altitude 6 inches ; it is required to determine how much water will run over ? AHS.
Page 2 - Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and...
Page 7 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.