Elements of Geometry: Containing the First Six Books of Euclid: With a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added, Elements of Plane and Spherical TrigonometryLippincott, Grambo & Company, 1854 - 317 σελίδες |
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Αποτελέσματα 1 - 5 από τα 62.
Σελίδα 4
... whole is so clearly and directly perceived , that I am persuaded no more difficulty will be found in under- standing the propositions of the fifth Book than those of any other of the Elements . In the second Book , also , some algebraic ...
... whole is so clearly and directly perceived , that I am persuaded no more difficulty will be found in under- standing the propositions of the fifth Book than those of any other of the Elements . In the second Book , also , some algebraic ...
Σελίδα 5
... whole of any thing is greater than a part of it ; or , whole is equal to all its parts taken together ; or , two quantities that are each of them equal to a third quantity , are equal to each other . 5. A Theorem is a demonstrative ...
... whole of any thing is greater than a part of it ; or , whole is equal to all its parts taken together ; or , two quantities that are each of them equal to a third quantity , are equal to each other . 5. A Theorem is a demonstrative ...
Σελίδα 11
... whole is greater than its part . 10. All right angles are equal to one another . 11. " Two straight lines which intersect one another , cannot be both " rallel to the same straight line . " pa- PROPOSITION I. PROBLEM . To describe an ...
... whole is greater than its part . 10. All right angles are equal to one another . 11. " Two straight lines which intersect one another , cannot be both " rallel to the same straight line . " pa- PROPOSITION I. PROBLEM . To describe an ...
Σελίδα 14
... whole AF is equal to the whole AG , and the part AB to the part AC ; the remainder BF shall be equal ( 3. Ax . ) to the remainder CG ; and FC was proved to be equal to GB , therefore the two sides BF , FC are equal to the two CG , GB ...
... whole AF is equal to the whole AG , and the part AB to the part AC ; the remainder BF shall be equal ( 3. Ax . ) to the remainder CG ; and FC was proved to be equal to GB , therefore the two sides BF , FC are equal to the two CG , GB ...
Σελίδα 30
... whole exterior angle ACD is equal to the two interior and opposite angles CAB , ABC ; to these angles add the angle ACB , and the angles ACD , ACB are equal to the three angles CBA , BAC , ACB ; but the angles ACD , ACB are equal ( 13 ...
... whole exterior angle ACD is equal to the two interior and opposite angles CAB , ABC ; to these angles add the angle ACB , and the angles ACD , ACB are equal to the three angles CBA , BAC , ACB ; but the angles ACD , ACB are equal ( 13 ...
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ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated described diameter divided draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given rectilineal given straight line greater Hence hypotenuse inscribed join less Let ABC Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular polygon prism PROB PROP proportional proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR touches the circle triangle ABC triangle DEF wherefore