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" A rhombus is that which has all its sides equal, but its angles are not right angles. "
Mensuration for beginners [With] Answers - Side 33
av William Dodds - 1883
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Practical Mechanical Drawing and Machine Design, Self Taught ...

Charles Westinghouse - 1906 - 157 sider
...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...
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Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration ...

Joseph H. Rose - 1906 - 309 sider
...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...
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Henley's Encyclopædia of Practical Engineering and Allied Trades: A ...

Joseph Gregory Horner - 1908
...Continue these lines through o so that oc = OA and OD = OB. Join the points л, в, c, D. Rhombus. — A rhombus is a parallelogram which ha,s all its sides equal but its angles are Fig. 209. — Rhombus. not right angles. The mensuration of the rhombus is identical with that of the...
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Henley's Encyclopaedia of Practical Engineering and Allied Trades ...

1908
...Continue these lines through o so that OC = OA and OD = OB. Join the points A, в, c, D. Rhombus. — A rhombus is a parallelogram which has all its sides equal but its angles are multiply the area of a cross section by the length of the ring. A cross section is shown by dotted...
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A School Geometry, Deler 1-4

Henry Sinclair Hall - 1908
...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...
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Standard American Cyclopedia of Steam Engineering: A Treatise on the Care ...

Calvin Franklin Swingle - 1913 - 1249 sider
...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...
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Geometrical Drawing

...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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