Orr's Circle of the Sciences: Organic nature, vols. 1-3 (1854-1856)William Somerville Orr W.S. Orr and Company, 1854 |
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Σελίδα iii
... rules of Arithmetic being founded , as special cases , on the demonstrations of Algebra ; and in our present volume the treatises on Arithmetic and Algebra may , in some degree , be considered as of corresponding scope ; the one ...
... rules of Arithmetic being founded , as special cases , on the demonstrations of Algebra ; and in our present volume the treatises on Arithmetic and Algebra may , in some degree , be considered as of corresponding scope ; the one ...
Σελίδα iv
... rule and compass construct that triangle ; whereas , if we treated the same question algebraically , we should , after representing the sides and angles numerically , calculate the remaining sides and angles . And it is to be observed ...
... rule and compass construct that triangle ; whereas , if we treated the same question algebraically , we should , after representing the sides and angles numerically , calculate the remaining sides and angles . And it is to be observed ...
Σελίδα v
... rules - though in several cases , where a rule seemed to possess any advantage , it is stated , as well as the formula on which it is founded ; e . g . , in the case of the area of a surface bounded by an irregular curve . The treatises ...
... rules - though in several cases , where a rule seemed to possess any advantage , it is stated , as well as the formula on which it is founded ; e . g . , in the case of the area of a surface bounded by an irregular curve . The treatises ...
Σελίδα vii
... Rules of Arithmetic The Compound Rules . FRACTIONS Proportion , and Rule of Three . DECIMALS • Extraction of the Square Root Table of Factors GEOMETRY , PLANE Elements , & c . , of Euclid Propositions of Book I. PAGE PAGE 2 PLANES ...
... Rules of Arithmetic The Compound Rules . FRACTIONS Proportion , and Rule of Three . DECIMALS • Extraction of the Square Root Table of Factors GEOMETRY , PLANE Elements , & c . , of Euclid Propositions of Book I. PAGE PAGE 2 PLANES ...
Σελίδα 2
... rules and mechanical oper- ations ; and are , therefore , but ill - suited to prepare the young for that higher kind ... rule in the one , any more than there is a theorem in the other , that is not founded on reason , and demon- strably ...
... rules and mechanical oper- ations ; and are , therefore , but ill - suited to prepare the young for that higher kind ... rule in the one , any more than there is a theorem in the other , that is not founded on reason , and demon- strably ...
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD Algebra arithmetic base Binomial Theorem bisect calculation called centre chord circumference coefficient common Completing the square contained cotan decimals denominator describe diameter divided dividend divisor draw ellipse equal angles equation equiangular equilateral Euclid EXAMPLES FOR EXERCISE expression exterior angle factors figure formula fraction frustum geometrical progression geometry given straight line greater h₂ Hence inscribed intersecting join latter less logarithm magnitudes manner measure multiplied operation parallel parallelogram perpendicular plane polygon prism Prop proportion proved Q. E. D. PROPOSITION quantity quotient radius ratio rectangle remainder result right angles rule sides sines solid angle sphere square root subtract suppose theorem third triangle ABC trigonometrical
Δημοφιλή αποσπάσματα
Σελίδα 86 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 60 - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Σελίδα 58 - ... equal angles in each ; then shall the other sides be equal each to each : and also the third angle of the one to the third angle of the other.
Σελίδα 45 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 190 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Σελίδα 47 - Let it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 151 - Equal parallelograms which have one angle of the one equal to one angle of the other, have their sides about the equal angles reciprocally proportional ; and parallelograms that have one angle of the one equal to one angle of the other, and their sides about the equal angles reciprocally proportional, are equal to one another.
Σελίδα 96 - angle in a segment' is the angle contained by two straight lines drawn from any point in the circumference of the segment, to the extremities of the straight line which is the base of the segment.
Σελίδα 46 - A rhombus, is that which has all its sides equal, but its angles are not right angles.
Σελίδα 66 - From this it is manifest how to a given straight line to apply a parallelogram, which shall have an angle equal to a given rectilineal angle, and shall be equal to a given rectilineal figure, viz.