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" A rhombus is that which has all its sides equal, but its angles are not right angles. "
The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ... - Σελίδα 4
των Euclid, James Thomson - 1837 - 390 σελίδες
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Practical Mechanical Drawing and Machine Design, Self Taught ...

Charles Westinghouse - 1906 - 168 σελίδες
...Fig. 41. Fig. 42. right angles, but only its opposite sides equal as in Fig. 42. A rhombus is that which has all its sides equal, but its angles are not right angles as in Fig. 43. A quadrilateral figure which has its opposite sides parallel is called a parallelogram...

Encyclopedia of Engineering: A Treatise on Boilers, Steam Engines ..., Τόμος 7

Calvin Franklin Swingle - 1906 - 490 σελίδες
...right angles, but only its opposite sides equal as in Fig. 42. Fig. U . Fig. 42. A rhombus is that which has all its sides equal, but its angles are not right angles as in Fig. 43. A quadrilateral figure which has its opposite sides parallel is called a parallelogram...

Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration ...

Joseph H. Rose - 1906 - 340 σελίδες
...has all its angles right angles, but only its opposite sides equal as in Fig. 9. A rhombus is that which has all its sides equal, but its angles are not right angles as in Fig. 10. Fig. 9. Fig. 10. A quadrilateral figure which has its opposite sides parallel is called...

A School Geometry, Μέρη 1-4

Henry Sinclair Hall - 1908 - 286 σελίδες
...a square are equal and all its angles right angles. See page 59.] * 5. A rhombus is a quadrilateral which has all its sides equal, but its angles are not right angles. THEOREM 20. [Euclid I. 33.1 L (»\- iv^vftf-rt' v.,.ij The straight lines which join the, ,extremities...

Elementary Science Applied to Sanitation and Plumbers' Work

A. Herring-Shaw - 1910 - 288 σελίδες
...Rectangle or Oblong has its opposite sides equal and its angles right angles. Def. 31. — A Rhombus has all its sides equal, but its angles are not right angles. Def. 32. — A Rhomboid has its opposite sides equal, but its angles are not right angles. Def. 33....

Standard American Cyclopedia of Steam Engineering: A Treatise on the Care ...

Calvin Franklin Swingle - 1913 - 1270 σελίδες
...right angles, but only its opposite sides equal as in Fig. 42. Fig- 41. Fig. 42. A rhombus is that which has all its sides equal, but its angles are not right angles as in Fig. 43. A quadrilateral figure which has its opposite sides parallel is called a parallelogram...

Manual of Drawing and Surveying: Designed Especially for the Use of Students ...

F. A. Brining, D. N. Avasia - 1913 - 282 σελίδες
...angles. A rectangle or ollong has its opposite sides equal and all its angles right angles. A rhombus has all its sides equal but its angles are not right angles. A rhomloid has its opposite sides equal, but its angles are not right angles. A trapezoid has only...

Wrinkles in Practical Navigation

Squire Thornton Stratford Lecky - 1918 - 966 σελίδες
...the second has all its angles right angles, but all its sides are not of the same length ; the third has all its sides equal, but its angles are not right angles ; and the fourth has only its opposite sides of the same length, and its angles are not right angles....

Geometrical Drawing

William Henry Blythe - 1900 - 228 σελίδες
...one side and one on the other side of the base. A rhombus is a quadrilateral rectilineal figure that has all its sides equal, but its angles are not right angles. (11) To describe a rhombus ABCD when the angle ABC is given and one of its sides. Draw the angle ABC...
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