Books Books Of three-sided figures, an equilateral triangle is that which has three equal sides. Mensuration of lines, areas, surfaces, and volumes - Page xiv
by Robert Rawson - 1856 ## The philosophical and mathematical commentaries of Proclus ... on the first ...

Proclus (Diadochus.) - 1788 - 350 pages
...XXIV. Of three-tided FIGURES : an EQUILATERAL TRIANGLE is that which has three equal Sides. D EFINITION XXV. An ISOSCELES TRIANGLE, is that which has only two Sides equal. DEFINITION XXVI. A SCALENE TRIANGLE, is that which has three unequal Sides. DEFINITION XXVIL A RIGHT-ANGLED... ## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1806 - 518 pages
...straight lines. xxrv. Of three sided figures, an equilateral triangle is that which has three equal sides. An isosceles triangle is that which has only two sides...A scalene triangle is that which has three unequal sides. XXVII. A right angled triangle is that which has a right angle. XXVIII. An obtuse angled triangle... ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - Geometry - 1810 - 518 pages
...figures, or triangles, by three straight lines. XXII. Quadrilateral, by four straight lines. XXIII. Multilateral figures, or polygons, by more than four straight lines. XXIV. Of three sided figures, an equilateral triangle is that which has three equal sides. XXV. An isosceles... ## The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1814 - 558 pages
...figures, or triangles, by three straight lines. XXII. , Quadrilateral, by four straight Hnes. XXIII. Multilateral figures, or polygons, by more than four...equilateral triangle is that which has three equal sides. An isosceles triangle is that which has only two sides equal xxy. B2 BOoB I. XXVI. A scalene triangle,... ## A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 372 pages
...by four straight lines. 23. Multilateral figures, or polygons, by more than four straight lines. 24. Of three-sided figures, an equilateral triangle is that which has three equal sides. 25. An isosceles triangle is that which has only two sides equal. 26. A scalene triangle, is that which... ## The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - Trigonometry - 1827 - 513 pages
...figures, or triangles, by three straight lines. XXII. Quadrilateral, by four straight lines. XXIII. Multilateral figures, or polygons, by more than four...isosceles triangle is that which has only two sides equal. - AAZI XXVI. A scalene triangle, is that which has three unequal sides. XXVII. A right angled triangle,... ## Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry

John Playfair - Geometry - 1829 - 186 pages
...by four straight lines. 26. Multilateral figures, or polygons, by more than four straight lines. 27. Of three-sided figures, an equilateral triangle is that which has three equal sides. 28. An isosceles triangle is that which has two sides equal. 29. A scalene triangle is that which has... ## The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1834 - 518 pages
...figures, or triangles, by three straight linos. XXII. Quadrilateral, by four straight lines. XXIII. Multilateral figures, or polygons, by more than four...lines. XXIV. Of three.sided figures, an equilateral tri- /\ angle is that which has three equal sides. / \ XXV. An isosceles triangle is that which has... ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1835 - 540 pages
...figures, or triangles, by three straight lines. XXII. Quadrilateral, by four straight lines. XXIII. Multilateral figures, or polygons, by more than four straight lines. XXIV. Of three sided figures, an equilateral triangle is that which has three equal sides. XXV. An isosceles... 