Elements of geometry, containing the first two (third and fourth) books of Euclid, with exercises and notes, by J.H. Smith, Del 21872 |
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Resultat 1-5 av 25
Side 133
... are closely connected with Theorems I. and x . of this book . The learner should compare with this portion of the subject the note on Loci , Part I. p . 103 . PROPOSITION A. PROBLEM . ( Eucl . III . 25. BOOK III . PROP . X. 133.
... are closely connected with Theorems I. and x . of this book . The learner should compare with this portion of the subject the note on Loci , Part I. p . 103 . PROPOSITION A. PROBLEM . ( Eucl . III . 25. BOOK III . PROP . X. 133.
Side 134
Euclides James Hamblin Smith. PROPOSITION A. PROBLEM . ( Eucl . III . 25. ) An arc of a circle being given , to complete the circle of which it is a part ... PROBLEM . ( Eucl . IV . 5. 134 EUCLID'S ELEMENTS . Let ABC be the given arc. ...
Euclides James Hamblin Smith. PROPOSITION A. PROBLEM . ( Eucl . III . 25. ) An arc of a circle being given , to complete the circle of which it is a part ... PROBLEM . ( Eucl . IV . 5. 134 EUCLID'S ELEMENTS . Let ABC be the given arc. ...
Side 135
Euclides James Hamblin Smith. PROPOSITION B. PROBLEM . ( Eucl . IV . 5. ) To describe a circle about a given triangle . D B Let ABC be the given △ . It is required to describe a about the A. From D and E , the middle pts . of AB and BC ...
Euclides James Hamblin Smith. PROPOSITION B. PROBLEM . ( Eucl . IV . 5. ) To describe a circle about a given triangle . D B Let ABC be the given △ . It is required to describe a about the A. From D and E , the middle pts . of AB and BC ...
Side 143
... in DE , or DE produced in either direction , except the point B , lies outside the ; .. DE is a tangent to the O. Def . IX , Q. E. D , PROPOSITION XVII . PROBLEM . To draw a straight line BOOK III . PROP . XVI . 143 D ...
... in DE , or DE produced in either direction , except the point B , lies outside the ; .. DE is a tangent to the O. Def . IX , Q. E. D , PROPOSITION XVII . PROBLEM . To draw a straight line BOOK III . PROP . XVI . 143 D ...
Side 144
Euclides James Hamblin Smith. PROPOSITION XVII . PROBLEM . To draw a straight line from a given point , either WITH- OUT or ON the circumference , which shall touch a given circle . A Let A be the given pt . , without the © BCD . Let O ...
Euclides James Hamblin Smith. PROPOSITION XVII . PROBLEM . To draw a straight line from a given point , either WITH- OUT or ON the circumference , which shall touch a given circle . A Let A be the given pt . , without the © BCD . Let O ...
Vanlige uttrykk og setninger
ABCD base Book centre chord circles intersect circles touch circumference coincide common construction cutting the circle Describe a circle described diagonals diameter difference distance divided double draw equal equal circles equiangular extremities fall figure Find formed four given circle given point given straight line greater Hence hexagon inscribed join less Let ABC lies line be drawn locus meet middle points NOTE opposite sides parallel parallelogram pass perpendicular point of contact PROBLEM produced PROPOSITION prove Q. E. D. Ex quadrilateral radius rect regular pentagon required to inscribe respectively right angles segment semicircle shew shewn sides Similarly square subtended sum of 48 tangents THEOREM third touch touch the circle triangle triangle ABC twice
Populære avsnitt
Side 152 - The opposite angles of any quadrilateral figure inscribed in a circle, are together equal to two right angles.
Side 168 - IF from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square of the line which touches it.
Side 161 - The angle in a semicircle is a right angle; the angle in a segment greater than a semicircle is less than a right angle; and the angle in a segment less than a semicircle is greater than a right angle.
Side 132 - If a point be taken within a circle, from which there fall more than two equal straight lines to the circumference, that point is the centre of the circle. Let...
Side 163 - IF a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line.
Side 177 - IN a given circle to inscribe a triangle equiangular to a given triangle. Let ABC be the given circle, and DEF the given triangle; it is required to inscribe in the circle ABC a triangle equiangular to the triangle DEF. Draw (1 7. 3.) the straight line G AH touching the circle in the point A, and. at the point A, in the straight line AH, make (23.
Side 184 - ABD is described, having each of the angles at the base double of the third angle.
Side 207 - Upon the same straight line, and upon the same side of it, there cannot be two similar segments of circles, not coinciding with one another. If it be possible. let the two similar segments of circles, viz. ACB' ADB be upon the same side of the same straight line AB, not coinciding with one another.
Side 203 - If a straight line be divided into any two parts, the squares on the whole line, and on one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square on the other part.
Side 183 - To inscribe a circle in a given square. Let ABCD be the given square ; it is required to inscribe a circle in ABCD.