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EFGH is a square. The area of a square is found by multiplying the length of one side by itself ; in other words, Area of a square = square of one side. Find the area, in square yards and smaller units, of a square, the length of whose side is : 49. 97...
Stories about Mathematics-land - Page 74
by D. Ponton - 1927

The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid, James Thomson - Geometry - 1837 - 410 pages
...square and rhombus which are given in Simeon's edition : " A square is a four-sided figure which has all its sides equal, and all its angles right angles. " A rhombus is a four-sided figure which has all its sides equal ; but its angles are not right angles." The latter...

The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1839 - 348 pages
...sum and difference. The sides of a triangle are proportional to the sines of their opposite angles. A Square is a quadrilateral having all its sides equal, and all its angles right angles. The diagonal of a square is equal to the square root of twice the square of its side : and the side...

Rudimentary dictionary of terms used in architecture [&c.].

John Weale - 1850 - 590 pages
...rectangle is a parallelogram, having all its angles right ones. A square is an equilateral rectangle, having all its sides equal, and all its angles right angles. A rhombus is an equilateral parallelogram whose angles are oblique A rhomboid is an oblique-angled parallelogram,and...

A Treatise on Arithmetic ...

Noble Heath - 1855 - 468 pages
...X 56 63 8 16 24 32 40 48 56 V 72 9 18 27 36 45 54 63 72 s 106. A square is a quadrilateral figure, having all its sides equal and all its angles right angles. A right-angled parallelogram, which is also called a rectangle, is a quadrilateral figure, having all...

A Treatise on Arithmetic: Through which the Entire Science Can be Most ...

Noble Heath - Arithmetic - 1856 - 472 pages
...42 ^ 56 63 56 8 16 24 32 40 48 V 72 9 18 27 36 45 54 72 fcl 106. A square is a quadrilateral figure, having all its sides equal and all its angles right angles. A right-angled parallelogram, which is also called a rectangle, is a quadrilateral figure, having all...

Rudimentary Dictionary of Terms Used in Architecture: Civil, Architecture ...

John Weale - Architecture - 1859 - 622 pages
...rectangle is a parallelogram, having all its angles right ones. A square is an equilateral rectangle, having all its sides equal, and all its angles right angles. A rhombus is an equilateral parallelogram whose angles are oblique. A rhomboid is an oblique-angled parallelogram,...

The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - Artillery - 1859 - 426 pages
...their opposite angles. Quadrangles, or quadrilaterals, are plane figures bounded by four right lines. A square is a quadrilateral having all its sides equal, and all its angles right angles. The diagonal of a square is equal to the square root of twice the square of its sides : and the side...

Practical Plane and Solid Geometry: For Use in Science Classes and Higher ...

Henry Angel - Geometry - 1873 - 192 pages
...angle. A quadrilateral figure is enclosed by four straight lines. A square is a quadrilateral figure having all its sides equal and all its angles right angles. A parallelogram is a figure having two pairs of parallel sides. A rhombus is a quadrilateral figure having...