Elements of Geometry: With Practical Applications ...H.H. Howley and Company, 1847 - 308 sider |
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Resultat 1-5 av 14
Side 21
... exterior angle is greater than either of the two interior and opposite angles . Let ABC be a triangle , having the side AB produced to D ; then will the exterior angle CBD be greater than either of the interior and opposite angles BAC ...
... exterior angle is greater than either of the two interior and opposite angles . Let ABC be a triangle , having the side AB produced to D ; then will the exterior angle CBD be greater than either of the interior and opposite angles BAC ...
Side 30
... angle ADC is an exterior angle in reference to the triangle CDB , it is greater than the interior angle ABC ( Prop . vi ) ; but since the side AD is equal to the side AC , the angle ACD is equal to ADC ( Prop . v ) , and consequently the ...
... angle ADC is an exterior angle in reference to the triangle CDB , it is greater than the interior angle ABC ( Prop . vi ) ; but since the side AD is equal to the side AC , the angle ACD is equal to ADC ( Prop . v ) , and consequently the ...
Side 32
... angle FGB equal to the angle AFG , and meeting the line AB in the point B. The angle AFG , being exterior in reference to the triangle GFB , is greater than the interior and opposite angle FGB ( Prop . vi ) . Hence the angle AFG is ...
... angle FGB equal to the angle AFG , and meeting the line AB in the point B. The angle AFG , being exterior in reference to the triangle GFB , is greater than the interior and opposite angle FGB ( Prop . vi ) . Hence the angle AFG is ...
Side 34
... angles FDC , DCB are equal ; and therefore ( Prop . xvIII ) the line FD is parallel to AB . PROPOSITION XX . THEOREM . When a straight line cuts two parallel lines , the exterior angle is equal to the interior and opposite one , on the ...
... angles FDC , DCB are equal ; and therefore ( Prop . xvIII ) the line FD is parallel to AB . PROPOSITION XX . THEOREM . When a straight line cuts two parallel lines , the exterior angle is equal to the interior and opposite one , on the ...
Side 35
... exterior angle FHB be equal 35 F H B to the interior and opposite angle HKD , on the same side of the C K D G line FG ; and the two interior angles BHK , DKH , taken together , will be equal to two right angles . For , since the two ...
... exterior angle FHB be equal 35 F H B to the interior and opposite angle HKD , on the same side of the C K D G line FG ; and the two interior angles BHK , DKH , taken together , will be equal to two right angles . For , since the two ...
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Vanlige uttrykk og setninger
a+b+c AC² altitude angle ACD angle BAC bisect centre chord circ circular sector circumference cone consequently convex surface cylinder diagonal diameter distance draw equal and parallel equiangular equilateral triangle equivalent exterior angle figure formed four right angles given line greater half the arc hypothenuse inscribed circle intersection isosceles join less Let ABC lines drawn magnitude measured by half meet multiplied number of sides opposite angles parallel planes parallelogram parallelopipedon pendicular perimeter perpendicular plane MN point G prism PROBLEM produced Prop PROPOSITION pyramid radii radius rectangle regular polygon respectively equal right angles right-angled triangle Sabc Schol Scholium semicircle semicircumference side AC similar similar triangles solid angle solid described sphere spherical triangle square straight line suppose tangent THEOREM three sides triangle ABC triangular prism vertex VIII
Populære avsnitt
Side 37 - The sum of all the angles of a polygon is equal to twice as many right angles as the polygon has sides, less two.
Side 180 - THEOREM. If one of two parallel lines is perpendicular to a plane, the other will also be perpendicular to this plane. Let AP & ED be parallel lines, of which AP is perpendicular to the plane MN ; then will ED be also perpendicular to this plane.
Side 139 - PROBLEM. To inscribe a circle in a given triangle. Let ABC be the given triangle : it is required to inscribe a circle in the triangle ABC.
Side 224 - The radius of a sphere is a straight line, drawn from the centre to any point of the...
Side 43 - In a right-angled triangle, the side opposite the right angle is" called the Hypothenuse ; and the other two sides are cal4ed the Legs, and sometimes the Base and Perpendicular.
Side 184 - THEOREM. If two angles, not situated in the same plane, have their sides parallel and lying in the same direction, they will be equal, and the planes in which they are situated will be parallel.
Side 10 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Side 226 - We conclude then, that the solidity of a cylinder is equal to the product of its base by its altitude.
Side 22 - If two sides and the included angle of the one are respectively equal to two sides and the included angle of the other...
Side 12 - If equals be added to unequals, the wholes are unequal. V. If equals be taken from unequals, the remainders are unequal. VI. Things which are double of the same, are equal to one another.