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 Seiten |
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Seite 17
... pass through the summit of the right angle . ( xxx . ) If either of the acute angles of a given right- angled triangle be divided into any number of equal angles , then , of the segments of the base , subtending those equal angles , the ...
... pass through the summit of the right angle . ( xxx . ) If either of the acute angles of a given right- angled triangle be divided into any number of equal angles , then , of the segments of the base , subtending those equal angles , the ...
Seite 40
... pass through a given point , and touch a given straight line in another given point . ( x . ) To describe a circle , the circumference of which shall pass through a given point , and touch a given circle in another given point ; the two ...
... pass through a given point , and touch a given straight line in another given point . ( x . ) To describe a circle , the circumference of which shall pass through a given point , and touch a given circle in another given point ; the two ...
Seite 60
... pass through the common extremity of the equal tangents . ( LXXIII . ) The straight line which passes through the intersections of two circles , that cut one another , bisects the straight line which touches both the circles . ( LXXIV ...
... pass through the common extremity of the equal tangents . ( LXXIII . ) The straight line which passes through the intersections of two circles , that cut one another , bisects the straight line which touches both the circles . ( LXXIV ...
Seite 61
... pass through the center of the circle : 2dly , When they are parallel to one another : 3dly , When they are not parallel , but are equi- distant from the center . ( LXXIX . ) If two straight lines , which APPENDIX I. ( 61 )
... pass through the center of the circle : 2dly , When they are parallel to one another : 3dly , When they are not parallel , but are equi- distant from the center . ( LXXIX . ) If two straight lines , which APPENDIX I. ( 61 )
Seite 63
... pass through two given points , both on the same side of the given line . ( LXXXV . ) To describe a circle which shall touch two given straight lines , and pass through a given point between them . ( LXXXVI . ) To describe a circle ...
... pass through two given points , both on the same side of the given line . ( LXXXV . ) To describe a circle which shall touch two given straight lines , and pass through a given point between them . ( LXXXVI . ) To describe a circle ...
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Häufige Begriffe und Wortgruppen
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
Beliebte Passagen
Seite 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.
Seite 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'.
Seite 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...
Seite 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...
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 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.
Seite 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.