Elements of Plane and Solid GeometryGinn, Heath, & Company, 1885 - 398 σελίδες |
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Αποτελέσματα 1 - 5 από τα 90.
Σελίδα 14
... triangle . A triangles . Il parallel . parallelogram s parallelograms . perpendicular . Is perpendiculars . rt . right angle . rt . right angles . > is ( or are ) greater than . < is ( or are ) less than . rt . A right triangle . rt . A ...
... triangle . A triangles . Il parallel . parallelogram s parallelograms . perpendicular . Is perpendiculars . rt . right angle . rt . right angles . > is ( or are ) greater than . < is ( or are ) less than . rt . A right triangle . rt . A ...
Σελίδα 36
... 68 But BHD and BHE are supplements of each other , § 34 ( being sup . - adj . 4 ) . ABC and DEF , the equals of △ BHD and LBH E , are supplements of each other . Q. E. D. ON TRIANGLES . 79. DEF . A Triangle is a 36 BOOK I. GEOMETRY .
... 68 But BHD and BHE are supplements of each other , § 34 ( being sup . - adj . 4 ) . ABC and DEF , the equals of △ BHD and LBH E , are supplements of each other . Q. E. D. ON TRIANGLES . 79. DEF . A Triangle is a 36 BOOK I. GEOMETRY .
Σελίδα 37
... triangle , each to each , the triangles are said to be equal in all respects . 81. DEF . In two equal triangles , the equal angles are called Homologous angles , and the equal sides are called Homologous sides . 82. In equal triangles ...
... triangle , each to each , the triangles are said to be equal in all respects . 81. DEF . In two equal triangles , the equal angles are called Homologous angles , and the equal sides are called Homologous sides . 82. In equal triangles ...
Σελίδα 38
... triangle is one which has all the angles equal . 92. DEF . In any triangle , the angle opposite the base is called the Vertical angle , and its vertex is called the Vertex of the triangle . 93. DEF . The Altitude of a triangle is the ...
... triangle is one which has all the angles equal . 92. DEF . In any triangle , the angle opposite the base is called the Vertical angle , and its vertex is called the Vertex of the triangle . 93. DEF . The Altitude of a triangle is the ...
Σελίδα 39
... triangle from the vertices of three angles of the triangle is greater than half the sum of the sides of the triangle . 2. Show that the locus of all the points at a given distance from a given straight line A B consists of two parallel ...
... triangle from the vertices of three angles of the triangle is greater than half the sum of the sides of the triangle . 2. Show that the locus of all the points at a given distance from a given straight line A B consists of two parallel ...
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AABC ABCD altitude apothem arc A B axis base and altitude centre centre of symmetry chord circumference circumscribed coincide cone of revolution conical surface COROLLARY cylinder denote diagonals diameter dihedral angle distance divided draw equal respectively equally distant equilateral equivalent frustum given point Hence homologous sides hypotenuse intersection isosceles lateral area lateral edges lateral faces Let A B Let ABC line A B measured by arc middle point number of sides opposite parallel lines parallelogram parallelopiped pass perimeter perpendicular plane MN polyhedral angle prove Q. E. D. PROPOSITION radii ratio rect rectangles regular inscribed regular polygon right angles right section S-ABC SCHOLIUM similar polygons slant height sphere spherical angle spherical polygon spherical triangle straight line drawn surface tangent tetrahedron THEOREM trihedral upper base vertex vertices volume