An Elementary Treatise on the Geometrical and Algebraical Investigation of Maxima and Minima: Being the Substance of a Course of Lectures Delivered Conformably to the Will of Lady Sadler : to which is Added A Selection of Propositions Deducible from Euclid's ElementsJ. Smith, 1817 - 436 σελίδες |
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Αποτελέσματα 1 - 5 από τα 39.
Σελίδα 39
... tangent to a circle , which shall bẹ parallel to a given finite straight line . COR . Hence , to draw a tangent to a circle , which shall make , with a given straight line , an angle equal to a given rectilineal angle . ( VIII . ) To ...
... tangent to a circle , which shall bẹ parallel to a given finite straight line . COR . Hence , to draw a tangent to a circle , which shall make , with a given straight line , an angle equal to a given rectilineal angle . ( VIII . ) To ...
Σελίδα 40
... tangent to the circle . ( XI . ) To describe a circle , which shall touch a given straight line in a given point , and also touch a . given circle . ( XII . ) Hence , if two circles touch each other exter- nally , to describe another ...
... tangent to the circle . ( XI . ) To describe a circle , which shall touch a given straight line in a given point , and also touch a . given circle . ( XII . ) Hence , if two circles touch each other exter- nally , to describe another ...
Σελίδα 41
... tangent be drawn to the circle , it shall be equal to a given straight line . ( XVI . ) Through a given point , either within , or with- out a given circle , to draw a straight line , so that the part of it within the circle shall be ...
... tangent be drawn to the circle , it shall be equal to a given straight line . ( XVI . ) Through a given point , either within , or with- out a given circle , to draw a straight line , so that the part of it within the circle shall be ...
Σελίδα 42
... tangent to a given circle , such that it's segment , contained between the point of contact , and an indefinite straight line , given in position , shall be equal to a given finite straight line . PROP . XVIII . ( XVIII . ) If a ...
... tangent to a given circle , such that it's segment , contained between the point of contact , and an indefinite straight line , given in position , shall be equal to a given finite straight line . PROP . XVIII . ( XVIII . ) If a ...
Σελίδα 55
... tangents be drawn , all on the same side of the center , and all terminated by the two given tangents , the angles which they sub- tend , at the center of the circle , shall be equal to one another . 1 COR . The two segments , which any ...
... tangents be drawn , all on the same side of the center , and all terminated by the two given tangents , the angles which they sub- tend , at the center of the circle , shall be equal to one another . 1 COR . The two segments , which any ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD aggregate Algebra altitude angle equal apparent magnitude base Binomial Theorem bisected chord circumference coefficients Cx² derivative describe a circle diameter divided double draw a straight equal perimeter equation equilateral triangle Euclid Euclid's Elements find a point finite straight line function Geometry given angle given circle given finite straight given point given ratio given straight line given triangle greater ratio greatest hypotenuse inscribed isosceles triangle less Let ABC lines be drawn magnitudes MAXIMA AND MINIMA maximum minimum number of sides parallel parallelepiped parallelogram plane prism produced PROP proposition quadrilateral rectilineal figure rectangle contained regular polygon rhomb right angles right-angled triangle scalene triangle SCHOLIUM sector segment shewn square straight line drawn straight line joining subtended tangent Theorem trapezium triangle ABC variable quantity velocity vertex vertical angle wherefore
Δημοφιλή αποσπάσματα
Σελίδα 81 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 83 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. D c A' D' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove AABC = ABxAC. A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Σελίδα 56 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced, together with the square...
Σελίδα 36 - In every triangle, the square of the side subtending any of the acute angles is less than the squares of the sides containing that angle by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall upon it from the opposite angle, and the acute angle. Let ABC be any triangle, and the angle at B one of its acute angles, and upon BC, one of the sides containing it, let fall the perpendicular...
Σελίδα 32 - If there be two straight lines, one of which is divided into any number of parts, the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line, and the several parts of the divided line.
Σελίδα 85 - Divide a straight line into two parts such that the rectangle contained by the whole line and one of the parts shall be equal to the square on the other part.
Σελίδα 12 - If two triangles have the three angles of one equal to the three angles of the other, each to each, do you think the two triangles are necessarily alike in every respect ? 5.
Σελίδα 16 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 154 - Iff a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.
Σελίδα 22 - If from the right angle of a right-angled triangle, two straight lines be drawn, one perpendicular to the base, and the other bisecting it, they will contain an angle equal to the difference of the two acute angles of the triangle.