A school Euclid, being books i. & ii. of Euclid's Elements, with notes by C. Mansford1874 |
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Página 73
... triangle DBC to the paral- lelogram GM ; [ Const . ] the whole rectilineal figure ABCD is equal to the whole parallelogram KFLM . [ Ax . 2. ] Therefore , the parallelogram KFLM has been de- scribed equal to the given rectilineal figure ...
... triangle DBC to the paral- lelogram GM ; [ Const . ] the whole rectilineal figure ABCD is equal to the whole parallelogram KFLM . [ Ax . 2. ] Therefore , the parallelogram KFLM has been de- scribed equal to the given rectilineal figure ...
Página 101
... figure . 1 . to A. Let A be the given rectilineal figure : it is re- quired to describe a square that shall be equal Describe the rectangular parallelogram BCDE 2 . equal to the rectilineal figure A. Then if the sides of it , BE , ED ...
... figure . 1 . to A. Let A be the given rectilineal figure : it is re- quired to describe a square that shall be equal Describe the rectangular parallelogram BCDE 2 . equal to the rectilineal figure A. Then if the sides of it , BE , ED ...
Página 108
... rectilineal figure , and show that the exterior angles of the figure are together equal to the angles at the point O , i.e. , to four right angles . 29. Prove by aid of the last exercise that each of the angles of an equilateral triangle ...
... rectilineal figure , and show that the exterior angles of the figure are together equal to the angles at the point O , i.e. , to four right angles . 29. Prove by aid of the last exercise that each of the angles of an equilateral triangle ...
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A School Euclid, Being Books I. & II. of Euclid's Elements, with Notes by C ... Euclides Sin vista previa disponible - 2015 |
Términos y frases comunes
AC is equal adjacent angles alternate angles angle ABC angle ACB angle AGH angle BAC angle BCD angle EDF angle equal angles are equal angles CEA axioms base BC bisect centre circle coincide Const diagonals diameter double equal sides equal to BC equal to twice equilateral triangle Euclid exterior angle fore four right angles given point given rectilineal angle given straight line gnomon half a right hypotenuse interior and opposite isosceles triangle join less Let ABC Let the straight obtuse opposite angle opposite sides parallel to CD parallelogram parallelogram ABCD perpendicular produced prop quadrilateral rectangle AC rectangle contained remaining angle rhombus right angles right-angled triangle shew side BC sides equal square described square on AC THEOREM third angle triangle ABC triangle DEF truths twice the rectangle unequal