An Elementary Course of Plane GeometryThomas Murby, 1868 - 261 páginas |
Dentro del libro
Resultados 1-5 de 36
Página iv
... . It is not her office to teach men how to use their hands . We shall next be told that the first shoemaker was a philosopher . " " - Macaulay's Essay on Lord Bacon . 1 quently give to the subject an air of mystery exceed- iv Preface .
... . It is not her office to teach men how to use their hands . We shall next be told that the first shoemaker was a philosopher . " " - Macaulay's Essay on Lord Bacon . 1 quently give to the subject an air of mystery exceed- iv Preface .
Página v
Richard Wormell. quently give to the subject an air of mystery exceed- ingly perplexing and discouraging to the ... gives to many proofs simplicity and clearness , is never employed . 4. The method of superposition , which frequently ...
Richard Wormell. quently give to the subject an air of mystery exceed- ingly perplexing and discouraging to the ... gives to many proofs simplicity and clearness , is never employed . 4. The method of superposition , which frequently ...
Página 6
... give the length of the line . A line longer than the scale may be measured by marking off with the compasses the length of the scale from the line as many times as it is contained therein , and then taking the measure of the remainder ...
... give the length of the line . A line longer than the scale may be measured by marking off with the compasses the length of the scale from the line as many times as it is contained therein , and then taking the measure of the remainder ...
Página 20
... gives to them . We can see from the above proposition , that the same position would be chosen on the ground of economy ; for oblique supports being longer , would require more material . Two oblique lines , the feet of which are ...
... gives to them . We can see from the above proposition , that the same position would be chosen on the ground of economy ; for oblique supports being longer , would require more material . Two oblique lines , the feet of which are ...
Página 22
... line lies on the marked line , turn the level round so that the end which was on A is on B. If the instrument be true it will give the same indication as before . To draw an angle equal to a given angle . 22 Plane Geometry .
... line lies on the marked line , turn the level round so that the end which was on A is on B. If the instrument be true it will give the same indication as before . To draw an angle equal to a given angle . 22 Plane Geometry .
Otras ediciones - Ver todas
An Elementary Course of Plane Geometry and Mensuration Richard Wormell Sin vista previa disponible - 2015 |
Términos y frases comunes
A B C adjacent angles alternate angles angle equal angular points apex base bisecting centre centre of symmetry chord circumscribed coincide compasses construction decagon describe a circle describe a circumference diagonals diameter dicular distance divide dodecagon draw a straight equilateral triangle extremities figure Find the area Geometry given angle given circle given point given polygon given radius given straight line half height Hence hexagon hypothenuse inscribed angle instrument intercepted isosceles triangle line drawn line joining line parallel measure middle point number of degrees number of sides octagon opposite angles opposite sides parallel lines parallel straight lines parallelogram pentagon perimeter perpen perpendicular plane point of contact point of intersection proportional Prove quadrilateral radii ratio rectangle regular polygon respectively equal rhombus right-angled triangle ruler secant segments similar similar triangles square symmetrical axis tangent touch vertical yards
Pasajes populares
Página 55 - ... parallel to the first. 75. No two straight lines drawn from the extremities of the base of a triangle to the opposite sides can possibly bisect each other. 76. If the opposite sides of a quadrilateral are equal it is a parallelogram. 77. If the opposite angles of a quadrilateral are equal it is a parallelogram. 78. The diagonals of a parallelogram bisect each other. 79. If the diagonals of a quadrilateral bisect each other it is a parallelogram. 80. If the straight line joining two opposite angles...
Página 151 - Describe a circle which shall pass through two given points, and have its centre in a given line.
Página 66 - If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the transversal is equal to two right angles, (p.
Página 90 - There are two columns in the ruins of Persepolis, left standing upright ; one is 70 feet above the plane, and the other 50...
Página 5 - I., 5), (3) that, if two straight lines cut one another, the vertically opposite angles are equal (Eucl.
Página 77 - The square of the sum of two numbers is equal to the square of the first, plus twice the product of the first and the second, plus the square of the second.
Página 90 - May-pole, whose top was broken off" by a blast of wind, struck the ground at the distance of 15 feet from the foot of the pole ; what was the height of the whole May-pole, supposing the length of the broken piece to be 39 feet ?
Página 44 - S.SO. 1. Prove that, if two sides of a triangle are unequal, the angle opposite the greater side is greater than the angle opposite the less.