The quadrature of the circle: correspondence between an eminent mathematician and James SmithSimpkin, Marshall, 1861 - 200 σελίδες |
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Σελίδα 55
... square A B C D , and the area of square K L M N , is equal to twice the area of square E F G H , and four times the area of square A B C D. The diagonal A C or D B of the square A B C D , is equal to the THE QUADRATURE OF THE CIRCLE . 55.
... square A B C D , and the area of square K L M N , is equal to twice the area of square E F G H , and four times the area of square A B C D. The diagonal A C or D B of the square A B C D , is equal to the THE QUADRATURE OF THE CIRCLE . 55.
Σελίδα 55
... square A B C D , and the area of square K L M N , is equal to twice the area of square E F G H , and four times the area of square A B C D. The diagonal A C or D B of the square A B C D , is equal to the THE QUADRATURE OF THE CIRCLE . 55.
... square A B C D , and the area of square K L M N , is equal to twice the area of square E F G H , and four times the area of square A B C D. The diagonal A C or D B of the square A B C D , is equal to the THE QUADRATURE OF THE CIRCLE . 55.
Σελίδα 56
... square E F G H , is equal to the diameter of circle Z. Let the diameter of circle X be 1 , the side of the square A B C D will be I , and the superficial area of the square A B C D will be 1 , and on the writer's hypothesis , the ...
... square E F G H , is equal to the diameter of circle Z. Let the diameter of circle X be 1 , the side of the square A B C D will be I , and the superficial area of the square A B C D will be 1 , and on the writer's hypothesis , the ...
Σελίδα 57
James Smith. Y , and equal to the side of the square E F G H ; and we have now obtained the following values . = = : = Then , The side of square E F G H = √2 . The diameter of circle Y√2 . The area of square E F G H = 2. The area of ...
James Smith. Y , and equal to the side of the square E F G H ; and we have now obtained the following values . = = : = Then , The side of square E F G H = √2 . The diameter of circle Y√2 . The area of square E F G H = 2. The area of ...
Σελίδα 92
... square , of which the perimeter is equal to the circum- ference of the circle ; and between the diameter of a circle ... E F G H` ; and on V B describe the square V W Z B. FIGURE XVIII . ( Diagram IX ) A X E 94 THE QUADRATURE OF THE CIRCLE .
... square , of which the perimeter is equal to the circum- ference of the circle ; and between the diameter of a circle ... E F G H` ; and on V B describe the square V W Z B. FIGURE XVIII . ( Diagram IX ) A X E 94 THE QUADRATURE OF THE CIRCLE .
Συχνά εμφανιζόμενοι όροι και φράσεις
angle approximative value area of circle area of square arithmetical mean arithmetical symbols Barkeley House circle inscribed circle X circum circumference of circle cumference decimal demonstrated describe the circle describe the square diameter and circumference diameter is unity diameter of circle diameter to circumference direct your attention EMINENT MATHEMATICIAN equal to half equal to three equal to twice equilateral triangle exactly equal facts ference geometrical figures given number half the area hypotheneuse inscribed circle inscribed square isosceles triangle Let the diameter letter linear unit orthodox data perimeter ratio of diameter rectangle represent the circumference side A B side B C side of square square A B C D square A K L B square ABCD square circumscribed square D square described square E F G H subtends superficial area third side three and one-eighth triangle A B C true twice the area writer's hypothesis
Δημοφιλή αποσπάσματα
Σελίδα 75 - 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 75 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Σελίδα xi - Remembering that this association is a popular association, not a secret confraternity of men jealously guarding the mysteries of their profession, but inviting the uninitiated — the public at large — to join them ; having as one of its objects to break down those imaginary and hurtful barriers which exist between men of science and so-called men of practice...
Σελίδα 26 - Rule. — Multiply half the circumference by half the diameter, and the product will be the area.
Σελίδα vii - ... witnesses were cunningly imposed upon, or the wizard himself deluded. If the most numerous ship's company were all to asseverate that they had seen a mermaid, would any rational persons at the present day believe them? That they saw something which they believed to be a mermaid, would be easily conceded. No amount of attestation of innumerable and honest witnesses would ever convince any one, versed in mathematical and mechanical science, that a person had squared the circle or discovered perpetual...
Σελίδα xxii - ... equal to the right angles in the others, and the angle at C forms the angle at the base to every one of the three triangles, that is, it is common to all the three ; and as all the angles of a plane triangle are together equal to two right angles (Art. 5) the remaining or third angle must be equal in all the triangles ; for that angle is the complement (Art. 5) of the angle at C in each of the triangles. Now all plane triangles which are equiangular, have the sides which contain the corresponding...
Σελίδα 26 - The diamoter of a circle being given, to find the circumference. RULE.
Σελίδα 58 - TT denotes the number of times the diameter of a circle is contained in the circumference...
Σελίδα 61 - ... would be not at all the less true if a future state were a chimera, and prudence a quality which was nowhere met with; nor would the truth of the Mathematician's conclusion be shaken, that " circles are to each other as the squares of their diameters...
Σελίδα 143 - I was writing to one earnestly engaged in the search after truth, and my observations were confined to the pointing out to him, how he might convince himself that he was altogether wrong. My letters were not intended for publication, and I protest against their being published, for I do not wish to be gibbeted to the world as having been foolish enough to enter upon, what I feel now to have been, a ridiculous enterprize.