The Young Gentleman's Arithmetick, and Geometry: Containing Such Elements of the Said Arts Or Sciences as are Most Useful and Easy to be Known

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J. Knapton, 1723 - Arithmetic - 294 pages
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Page 143 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Page 209 - Therefore all the interior angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 6 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Page 58 - That is, ten units make one ten, ten tens make one hundred, ten hundreds make one thousand, and so on.
Page 207 - Cwol. 2. If one angle in one triangle be equal to one angle in another, the sums of the remaining angles will also be equal (ax.
Page 182 - ... center of the same circle, subtend equal arcs ; by bisecting the angles at the center, the arcs which are subtended by them are also bisected, and hence, a sixth, eighth, tenth, twelfth, &c. part of the circumference of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree into 60 minutes, and each minute into 60 seconds, and so on, according to the sexagesimal division of a degree ; by the aid of the first corollary to Prop. 32, Book i., may be found...

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