Elements of Geometry: With Practical Applications Designed for BeginnersD. Appleton, 1853 - 320 σελίδες |
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Σελίδα 17
... passing through the centre , and terminating each way in the circumfer- ence , is called a diameter . ( 25. ) A circle might be defined as a plane figure bounded by a line , all the parts of which have the same degree of flexure ...
... passing through the centre , and terminating each way in the circumfer- ence , is called a diameter . ( 25. ) A circle might be defined as a plane figure bounded by a line , all the parts of which have the same degree of flexure ...
Σελίδα 17
... passing through the centre , and terminating each way in the circumfer- ence , is called a diameter . ( 25. ) A circle might be defined as a plane figure bounded by a line , all the parts of which have the same degree of flexure ...
... passing through the centre , and terminating each way in the circumfer- ence , is called a diameter . ( 25. ) A circle might be defined as a plane figure bounded by a line , all the parts of which have the same degree of flexure ...
Σελίδα 36
... it ; it is required to divide the field into two parts by a line passing through S , so that the dis- tances AF , AG shall be equal . C G S K L T B Solution . Draw the line AK , bisecting the angle 34 ELEMENTS OF GEOMETRY .
... it ; it is required to divide the field into two parts by a line passing through S , so that the dis- tances AF , AG shall be equal . C G S K L T B Solution . Draw the line AK , bisecting the angle 34 ELEMENTS OF GEOMETRY .
Σελίδα 39
... passing from the candle to the mirror , and thence to the eye , obeying the law of nature , that is , making the an- B M gle of reflection equal to the angle of incidence , takes the minimum route . In other words , prove that the sum ...
... passing from the candle to the mirror , and thence to the eye , obeying the law of nature , that is , making the an- B M gle of reflection equal to the angle of incidence , takes the minimum route . In other words , prove that the sum ...
Σελίδα 78
... passes over the angular space BAC , the extremity B passes over the arc BC ; and while the line passes over the angular space CAD , its extremity de- scribes the arc CD ; and so for other angles . Hence the angles at the centre are ...
... passes over the angular space BAC , the extremity B passes over the arc BC ; and while the line passes over the angular space CAD , its extremity de- scribes the arc CD ; and so for other angles . Hence the angles at the centre are ...
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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