Plane and Solid GeometryGinn, 1903 - 473 sider |
Inni boken
Resultat 1-5 av 100
Side 8
... drawn from one point to another . 45. Postulate . A straight line can be produced indefinitely . 46. Axiom . * Only one straight line can be drawn from one point to another . Hence , two points determine a straight line . 47. COR . 1 ...
... drawn from one point to another . 45. Postulate . A straight line can be produced indefinitely . 46. Axiom . * Only one straight line can be drawn from one point to another . Hence , two points determine a straight line . 47. COR . 1 ...
Side 20
... Draw DP ' . By construction , PCP ' is a straight line . .. PDP ' is not a straight line , ( only one straight line can be drawn from one point to another ) . § 46 Hence , PDP ' is not a straight angle . Since PC is to DC , and PC = CP ...
... Draw DP ' . By construction , PCP ' is a straight line . .. PDP ' is not a straight line , ( only one straight line can be drawn from one point to another ) . § 46 Hence , PDP ' is not a straight angle . Since PC is to DC , and PC = CP ...
Side 21
... Draw DP ' . PD = DP ' , § 95 ( two straight lines drawn from a point in a 1 to a line , cutting off on the line equal segments from the foot of the 1 , are equal ) . and But .. PD + DP ' = 2 PD , PC + CP ' 2 PC . = PC + CP ' < PD + DP ...
... Draw DP ' . PD = DP ' , § 95 ( two straight lines drawn from a point in a 1 to a line , cutting off on the line equal segments from the foot of the 1 , are equal ) . and But .. PD + DP ' = 2 PD , PC + CP ' 2 PC . = PC + CP ' < PD + DP ...
Side 22
... drawn from a point to the extremities of a straight line is greater than the sum of two other lines similarly drawn , but included by them . C E A B Let CA and CB be two lines drawn from the point C to the extrem- ities of the straight ...
... drawn from a point to the extremities of a straight line is greater than the sum of two other lines similarly drawn , but included by them . C E A B Let CA and CB be two lines drawn from the point C to the extrem- ities of the straight ...
Side 23
... draw OF . Then OF = OG , § 95 ( two straight lines drawn from a point in a 1 to a line , cutting off on the line equal segments from the foot of the 1 , are equal ) . Produce OC to D , making CD = OC . Draw ED and FD . Then But OE = ED ...
... draw OF . Then OF = OG , § 95 ( two straight lines drawn from a point in a 1 to a line , cutting off on the line equal segments from the foot of the 1 , are equal ) . Produce OC to D , making CD = OC . Draw ED and FD . Then But OE = ED ...
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Vanlige uttrykk og setninger
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