Elements of Geometry: With Practical Applications Designed for BeginnersD. Appleton, 1853 - 320 σελίδες |
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Σελίδα 8
... position . Hence , the ex- tremities of lines are points . Also , the place of inter- section of two lines is a point . ( 2. ) The common notion of a point is derived from the extremity of some slender body , such as the end of a common ...
... position . Hence , the ex- tremities of lines are points . Also , the place of inter- section of two lines is a point . ( 2. ) The common notion of a point is derived from the extremity of some slender body , such as the end of a common ...
Σελίδα 10
... positions with the surface ; if so , the surface is a plane . ( 12. ) The practical miller , when he wishes to dress his millstones to a plane surface , rubs the straight - edge with paint , and then applies it in various directions ...
... positions with the surface ; if so , the surface is a plane . ( 12. ) The practical miller , when he wishes to dress his millstones to a plane surface , rubs the straight - edge with paint , and then applies it in various directions ...
Σελίδα 12
... positions A1B , A , B , AзB , A4B , & c . , until it has made a complete revolution and return- ed to its first position , then will this complete revolution have caused the line AB to pass over an angular mag- nitude equal to four ...
... positions A1B , A , B , AзB , A4B , & c . , until it has made a complete revolution and return- ed to its first position , then will this complete revolution have caused the line AB to pass over an angular mag- nitude equal to four ...
Σελίδα 13
... position of natural structures of animals and plants ; and it is by following out the ar- chitecture of nature , that artificial structures , raised by the hand of man , acquire stability and beauty . Buildings are erect , because the ...
... position of natural structures of animals and plants ; and it is by following out the ar- chitecture of nature , that artificial structures , raised by the hand of man , acquire stability and beauty . Buildings are erect , because the ...
Σελίδα 23
... position of the eye at the height of CA , above the mirror . It is required to find the point G at which the light is reflected so as to enter the eye , the angle AGC being equal to the angle BGD . B Solution . Produce BD until DF is ...
... position of the eye at the height of CA , above the mirror . It is required to find the point G at which the light is reflected so as to enter the eye , the angle AGC being equal to the angle BGD . B Solution . Produce BD until DF is ...
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Elements of Geometry With Practical Applications George R Perkins Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
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a+b+c altitude angle ABC angle ACD angle BAC bisect centre chord circ circular sector circumference circumscribed polygon coincide cone consequently convex surface cylinder diagonal diameter distance draw equal and parallel equiangular equilateral triangle equivalent exterior angle ference figure formed given line greater half the arc hypothenuse inscribed circle intersection isosceles join less Let ABC line CD lines drawn magnitude measured by half meet multiplied number of sides opposite angles parallel lines parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN point G prism PROBLEM produced Prop proportional PROPOSITION pyramid radii radius rectangle regular polygon respectively equal right-angled triangle Sabc Schol Scholium scribed semicircle semicircumference side AC similar solid angle sphere spherical polygon square straight line suppose tangent THEOREM three sides triangle ABC triangular prism vertex VIII