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 Bøker Bok 141–150 av 153 på A rhomboid, is that which has its opposite sides equal to one another, but all its...
A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles.
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Side 2
av Euclides - 1816 - 528 sider
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## The Carpet-dealer's Guide: A Manual of Practical Information on the Art of ...

John H. Macke - 1891 - 228 sider
...ogram whose angles are all right angles ; as the figure AB С D. A 25. A SQUARE is a parallelogram H which has all its sides equal, and all its angles right angles; as figure EFGH. 26. A RHOMBUS is a parallelogram whose sides are all equal in length, but its angles...
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## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid, Robert Simson - 1892 - 518 sider
...rectangle is a parallelogram which has one of its angles a right angle. 28. A square is a four.sided figure which has all its sides equal and all its angles right angles. [It may easily be shewn that if a quadrilateral lias all its sides equal and one angle a right angle,...
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## Elementary Practical Mathematics

Frank Castle - 1899 - 404 sider
...A rectangle is a parallelogram having each of its angles a right angle A square is a parallelogram which has all its sides equal and all its angles right angles. A rhombus is a parallelogram having all its sides equal, but its angles are not right angles. A trapezium...
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## A Text-book of Euclid's Elements for the Use of Schools, Books I.-IV.

Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 304 sider
...triangle must have at least two acute, anyles. ] QUADRILATERALS. 30. A square is a four.sided figure which has all its sides equal and all its angles right angles. [It may be shewn that if a quadrilateral has all its sides equal and one angle a right angle, then...
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## Workshop Mathematics, Del 1

Frank Castle - 1900
...the opposite side, but is also perpendicular to the two adjacent sides. A square is a parallelogram which has all its sides equal, and all its angles right angles. A rhombus is a parallelogram having all its sides equal, but its angles are not right angles. A trapezium...
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## Euclid, His Life and System

Thomas Smith (D.D.) - 1902 - 227 sider
...truth; and that he might just as well have defined an equilateral triangle as a three-sided figure which has all its sides equal and all its angles right angles. It happens, indeed, that the square as defined does exist, and the triangle as so defined does not...
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## A Text-book of Euclid's Elements for the Use of Schools, Bok 1

Euclid, H. S. Hall, F. H. Stevens - 1904 - 456 sider
...is a triangle which has three acute angles. QUAD RILATE RA IS. 30. A square is a four-sided figure which has all its sides equal and all its angles right angles. [It may be shewn that if a quadrilateral has all its sides equal and one angle a right angle, then...
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## Practical Mechanical Drawing and Machine Design, Self Taught ...

Charles Westinghouse - 1906 - 157 sider
...40. The hypothenuse in a right angled triangle is the side opposite the right angle as in Fig. 40. A square is that which has all its sides equal and all its angles right-angled as in Fig. 41. A rectangle is that which has all its angles Fig. 41. Fig. 42. right angles,...
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## Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration ...

Joseph H. Rose - 1906 - 309 sider
...hypothenuse in a right-angled triangle is the side opposite the right angle as in Fig. 7. Fig. 7. Fig. 8. A square is that which has all its sides equal and all its angles right-angled as in Fig. 8. A rectangle is that which has all its angles right angles, but only its...
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## The Sheet-Metal Worker's Instructor

R. H. Warn, J. G. Horner - 2002 - 284 sider
...remaining two being necessarily acute angles, since they make up the other right angle together. 29. A square is that which has all its sides equal, and all its angles right angles (Fig. 9). C. ,3 C Fig. 8. Fig. 9. 30. An oblong is that which has all its angles right angles, but...
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