Elements of Geometry: With Practical Applications Designed for BeginnersD. Appleton, 1853 - 320 σελίδες |
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Αποτελέσματα 1 - 5 από τα 34.
Σελίδα 32
... radii equal respectively to the lines B and C , describe arcs intersecting at the point G. ( Post . III . ) Join DG , FG , ( Post . I , ) and the tri- angle DGF will be the triangle A B C D required , since the three sides are equal to ...
... radii equal respectively to the lines B and C , describe arcs intersecting at the point G. ( Post . III . ) Join DG , FG , ( Post . I , ) and the tri- angle DGF will be the triangle A B C D required , since the three sides are equal to ...
Σελίδα 34
... radii , describe , arcs intersecting each other at D ; then , BD being drawn , it will bisect the angle ABC . For , draw- ing AD , CD , the three sides of the tri- A B XA ✓ angle ABD are equal respectively to the three sides 32 ...
... radii , describe , arcs intersecting each other at D ; then , BD being drawn , it will bisect the angle ABC . For , draw- ing AD , CD , the three sides of the tri- A B XA ✓ angle ABD are equal respectively to the three sides 32 ...
Σελίδα 35
... radii , describe arcs ( Post . III , ) meeting at G. Join GC , ( Post . I , ) and it will be the perpendicular required . For , conceive DG , FG , to be D B C F drawn ; then the equality of the sides of the triangle DGC , FGC , give the ...
... radii , describe arcs ( Post . III , ) meeting at G. Join GC , ( Post . I , ) and it will be the perpendicular required . For , conceive DG , FG , to be D B C F drawn ; then the equality of the sides of the triangle DGC , FGC , give the ...
Σελίδα 36
... radii , de- scribe arcs ( Post . III , ) intersecting at G. Then AG being drawn , cut- B- D A d ting BC at H , will be the perpendicular required . For , joining DA and FA , DG and FG , we have all the sides of the triangle ADG equal ...
... radii , de- scribe arcs ( Post . III , ) intersecting at G. Then AG being drawn , cut- B- D A d ting BC at H , will be the perpendicular required . For , joining DA and FA , DG and FG , we have all the sides of the triangle ADG equal ...
Σελίδα 71
... radii of the two circles ; therefore CA2 + CB2 must always amount to the same constant value . In a similar way it may be shown that the sum of the squares of the two lines , drawn from any point in the circumference of the smaller ...
... radii of the two circles ; therefore CA2 + CB2 must always amount to the same constant value . In a similar way it may be shown that the sum of the squares of the two lines , drawn from any point in the circumference of the smaller ...
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Elements of Geometry With Practical Applications George R Perkins Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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