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Treatise on Plane and Solid Geometry: For Colleges, Schools, and Private ...
Eli Todd Tappan
Previsualització no disponible - 2017
adjacent angles altitude angles are equal angles equal angles formed apothem arc BD bisect called chord circle circumference circumscribed coincide cone Corollary Corollary—The curve demonstration diagonals diameter dicular distance divided edges equal angles equally distant equivalent extend exterior angles faces figure four right angles frustum geometry given angle given line given point given straight line given triangle gles greater Hence homologous lines hypotenuse inscribed inscribed angle intersection isosceles triangle less let fall measured by half number of sides opposite sides parallel lines parallelogram parallelopiped perimeter perpen perpendicular plane polyedral polyedron prism Problem—To PROBLEMS IN DRAWING produced proportional pyramid quadrilateral radii radius ratio rectangle regular polygon respectively equal rhombus right angled triangle secant similar triangles similarly arranged sphere spherical square described surface tangent tetraedrons Theorem Theorem—If Theorem—The triangle ABC triangles are equal triedral vertex vertices
Pàgina 98 - If two triangles have two sides of the one respectively equal to two sides of the other, and the included angles unequal, the triangle which has the greater included angle has the greater third side.
Pàgina 182 - ... the plane at equal distances from the foot of the perpendicular, are equal...
Pàgina 141 - The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Pàgina 124 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Pàgina 238 - Corollary. — The volume of any pyramid is equal to one-third of the product of its base by its altitude. For any pyramid...
Pàgina 173 - The areas of two circles are to each other as the squares of their radii ; or, as the squares of their diameters. 502. Corollary — When the radius is unity, the area is expressed by ;r. 503. Theorem — The area of a sector is measured by half the product of its arc by its radius.
Pàgina 214 - The height of a cone is the perpendicular distance from the vertex to the plane of the base.
Pàgina 233 - COR. 2. The volume of a rectangular parallelopiped is equal to the product of its base by its altitude.