Plane and Solid GeometryGinn, 1903 - 473 sider |
Inni boken
Resultat 1-5 av 60
Side 18
... fourth of its complement . Ex . 3. Find the number of degrees in an angle if it is double its sup- plement ; if it is one third of its supplement . PROPOSITION V. THEOREM . 95. Two straight lines drawn from 18 BOOK I. PLANE GEOMETRY .
... fourth of its complement . Ex . 3. Find the number of degrees in an angle if it is double its sup- plement ; if it is one third of its supplement . PROPOSITION V. THEOREM . 95. Two straight lines drawn from 18 BOOK I. PLANE GEOMETRY .
Side 24
... third straight line are parallel to each other . For if they could meet , we should have two straight lines . from the point of meeting parallel to a straight line ; but this is impossible . § 105 PROPOSITION XI . THEOREM . 107. If a ...
... third straight line are parallel to each other . For if they could meet , we should have two straight lines . from the point of meeting parallel to a straight line ; but this is impossible . § 105 PROPOSITION XI . THEOREM . 107. If a ...
Side 27
... angle that con- tains 37 ° 53 ′ 49 ′′ . Ex . 6. If the complement of an angle is one third of its supplement , how many degrees does the angle contain ? PROPOSITION XIV . THEOREM . 112. If two parallel lines PARALLEL LINES . 27.
... angle that con- tains 37 ° 53 ′ 49 ′′ . Ex . 6. If the complement of an angle is one third of its supplement , how many degrees does the angle contain ? PROPOSITION XIV . THEOREM . 112. If two parallel lines PARALLEL LINES . 27.
Side 32
... third angle . 132. COR . 3. If two triangles have two angles of the one equal to two angles of the other , the third angles are equal . 133. COR . 4. If two right triangles have an 32 BOOK I. PLANE GEOMETRY .
... third angle . 132. COR . 3. If two triangles have two angles of the one equal to two angles of the other , the third angles are equal . 133. COR . 4. If two right triangles have an 32 BOOK I. PLANE GEOMETRY .
Side 33
... third side , and their difference is less than the third side . B In the triangle ABC , let AC be the longest side . To prove that AB + BC > AC , and AC - BC < AB . Proof . AB + BC AC , ( a straight line is the shortest line from one ...
... third side , and their difference is less than the third side . B In the triangle ABC , let AC be the longest side . To prove that AB + BC > AC , and AC - BC < AB . Proof . AB + BC AC , ( a straight line is the shortest line from one ...
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AB² ABCDE AC² altitude apothem axis bisector bisects called centre chord circumference circumscribed coincide common construct curve denote diagonals diameter dihedral angles distance divided draw ellipse equidistant equilateral triangle equivalent face angles feet Find the area Find the locus frustum given circle given line given point given straight line given triangle greater Hence homologous homologous sides hypotenuse inches intersection lateral area lateral edges length limit middle point number of sides parallel planes parallelogram parallelopiped perimeter perpendicular plane MN polyhedral angle polyhedron prism prismatoid Proof prove Q. E. D. PROPOSITION radii radius ratio rectangle regular polygon regular pyramid respectively right angle right circular right triangle secant segments similar slant height sphere spherical polygon spherical triangle square surface tangent tetrahedron THEOREM trapezoid triangle ABC triangular prism trihedral vertex vertices