## A System of Practical Mathematics: ... With a Plain Account of the Gregorian Or New Style ... By John Potter |

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A System of Practical Mathematics: ... with a Plain Account of the Gregorian ... JOHN. POTTER No preview available - 2018 |

### Common terms and phrases

added Angle Anſwer Arch Area Baſe Body called Caſe Center Chord Circle Co-fine Co-tangent Column Compaſſes Conſtruction Content Cube Decimal Declination Denominator Dial Diameter Difference Diſtance divided Diviſions Diviſor draw Eclipſe equal Exam Example extend Extreme fall fame Feet Figure firſt Foot four Fraction given gives Half Hand Height Hours Hypothenuſe Inches Index Integers Interſection laſt Latitude Length leſs Line Logarithm marked meaſured Meridian middle Minutes Moon Motion Multiplicand multiplied muſt North Note Number oblique Circle obſerve oppoſite parallel Perpendicular Place Plane Point Pole primitive Circle Prob Product Proportion Pyramid Quotient Radius reduced Remainder right Circle right-angled Root Rule ſame Manner Scale ſecond Side Sine South Square Style ſubtract Sun's Table Tangent theſe third thoſe thro Triangle Uſe whole whoſe

### Popular passages

Page 6 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.

Page 30 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.

Page 224 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.

Page 147 - FRUSTUM, in mathematics ; a part of some solid body separated from the rest. The frustum of a cone is the part that remains, when the top is cut oft by a plane parallel to the base, and is otherwise called a truncated cone.

Page 361 - ... years, amounts to a whole day. By which the Vernal Equinox was anticipated ten days, from the time of the general council of Nice, held in...

Page 230 - When you have proved that the three angles of every triangle are equal to two right angles...

Page 361 - October, in 1582, to make the equinox fall on the twenty-first of March, as it did at the time of that council ; and to prevent the like variation for the future, he ordered that three days should be abated in every four hundred years by reducing the leap year at the close of each century for three successive centuries to common years, and retaining the leap year at the close of each fourth century only. This was at that time esteemed...

Page 147 - Multiply the diameters of the two bases together, and to the product add one third of the square of the difference of the diameters : then multiplying this sum by 7854...

Page 134 - Dimensions of any of the parts nf a Circle being given, to find the side of a square equal to the Circle. RULE. If the area of the circle be given, extract the square root of the area, which will be the side of a square equal to the circle : If the diameter or circumference be given, find the area by Art.

Page 132 - To find the area of a Circle. ' RULE. Multiply half the diameter by half the circumference, and the product is the area...