Plane Geometry Developed by the Syllabus MethodAmerican Book Company, 1909 - 192 Seiten |
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Seite 253
... angle revolved about the other arm as an axis generates a plane . Does the arm of any other angle generate a plane ? 36. The hand of a clock revolves in a ... ANGLES BETWEEN PLANES 64. Dihedral Angles . LINES PERPENDICULAR TO PLANES 253.
... angle revolved about the other arm as an axis generates a plane . Does the arm of any other angle generate a plane ? 36. The hand of a clock revolves in a ... ANGLES BETWEEN PLANES 64. Dihedral Angles . LINES PERPENDICULAR TO PLANES 253.
Seite 254
Eugene Randolph Smith. SECTION IV . ANGLES BETWEEN PLANES 64. Dihedral Angles . An angle between two intersect- ing planes is called a dihedral angle . The planes are called the faces , and their intersection is called the edge of the ...
Eugene Randolph Smith. SECTION IV . ANGLES BETWEEN PLANES 64. Dihedral Angles . An angle between two intersect- ing planes is called a dihedral angle . The planes are called the faces , and their intersection is called the edge of the ...
Seite 255
... dihedral angle does not depend on the extent of its faces , but only on the amount of rotation necessary for a plane to rotate about the inter- section from one face to the ... Dihedral Angle . Since the amount ANGLES BETWEEN PLANES 255.
... dihedral angle does not depend on the extent of its faces , but only on the amount of rotation necessary for a plane to rotate about the inter- section from one face to the ... Dihedral Angle . Since the amount ANGLES BETWEEN PLANES 255.
Seite 256
... dihedral angle , this complete rotation being considered as a standard by which to measure . It is on this account that the plane angle is called the measuring angle of the dihedral angle . It is evident , therefore , that propositions ...
... dihedral angle , this complete rotation being considered as a standard by which to measure . It is on this account that the plane angle is called the measuring angle of the dihedral angle . It is evident , therefore , that propositions ...
Seite 257
... dihedral angle , they determine a plane that contains one of the measuring angles of that dihedral angle . 76. Theorem XXII . Through any line not perpen- dicular ANGLES BETWEEN PLANES 257.
... dihedral angle , they determine a plane that contains one of the measuring angles of that dihedral angle . 76. Theorem XXII . Through any line not perpen- dicular ANGLES BETWEEN PLANES 257.
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Plane Geometry Developed by the Syllabus Method Eugene Randolph Smith Keine Leseprobe verfügbar - 2013 |
Häufige Begriffe und Wortgruppen
altitude angles are equal angles equal apothem axiom axis base bisects called central angles chord circular cylinder circumcenter circumference congruent Construct a triangle cube diagonal diameter dihedral angle distance divided draw drawn edge equal angles equilateral triangle equivalent exterior angle figure Find the area Find the locus Find the volume formula frustum given circle given line given point given sect hypotenuse intersecting lines isosceles triangle lateral area line parallel line perpendicular locus of points lune median meet method midpoints number of sides opposite sides pair parallel planes parallelepiped parallelogram perigon perimeter plane geometry points equidistant polyhedral angle polyhedron prism Prismatoid proof propositions prove pyramid quadrilateral radii rectangle regular inscribed regular polygon right angle right circular cone right triangle secant solid geometry spherical angle spherical polygon spherical triangle straight angle straight line surface tangent Theorem third side trapezoid triangle ABC unequal vertices
Beliebte Passagen
Seite 343 - The sum of the angles of a spherical triangle is greater than two and less than six right angles ; that is, greater than 180° and less than 540°. (gr). If A'B'C' is the polar triangle of ABC...
Seite 329 - The sum of the sides of any spherical polygon is less than the circumference of a great circle.
Seite 297 - Every section of a circular cone made by a plane parallel to the base is a circle.
Seite 260 - The acute angle which a straight line makes with its own projection upon a plane is the least angle it makes with any line of that plane.
Seite 389 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles.
Seite 48 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Seite 73 - The line which joins the mid-points of two sides of a triangle is parallel to the third side and equal to one half of it.
Seite 212 - To prove the conclusion, it is necessary to use the additional geometrical principle that but one parallel to a given line can be drawn through a given point.
Seite 304 - The volume of a circular cone is equal to one third the product of its base by its altitude.
Seite 311 - The greatest right circular cylinder that can be inscribed in a right circular cone is one whose altitude is one third that of the cone.