Inventional Geometry: A Series of Problems Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyD. Appleton and Company, 1886 - 97 páginas |
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Página 63
... find the area of a rectan- gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
... find the area of a rectan- gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
Página 64
... find the area of a rhombus ? 257. Can you make a right - angled isosceles triangle equal to a square ? 258. Can you ... areas are not all equal . 262. What is the largest rectangle that can be placed in an isosceles triangle ? 263. Show ...
... find the area of a rhombus ? 257. Can you make a right - angled isosceles triangle equal to a square ? 258. Can you ... areas are not all equal . 262. What is the largest rectangle that can be placed in an isosceles triangle ? 263. Show ...
Página 69
... find the area of a reëntrant - angled trapezium . 294. Exhibit to the eye that + 1 + 1 = 1 . 295. Place a circle about a quadrant . If to one extremity of an arc , not greater than that of a quadrant , there be drawn a radius , and if ...
... find the area of a reëntrant - angled trapezium . 294. Exhibit to the eye that + 1 + 1 = 1 . 295. Place a circle about a quadrant . If to one extremity of an arc , not greater than that of a quadrant , there be drawn a radius , and if ...
Página 71
... area . 310. Show by a figure what the area of a rectangle is , whose length is 23 and breadth 13 , and prove it by calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of ...
... area . 310. Show by a figure what the area of a rectangle is , whose length is 23 and breadth 13 , and prove it by calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of ...
Página 73
... find the area of it ? That portion of the radius of an arc which is intercepted between the sine and the extrem- ity of the arc is called the versed sine of 7 INVENTIONAL GEOMETRY . 73 321. Can you show that the sine of an arc ...
... find the area of it ? That portion of the radius of an arc which is intercepted between the sine and the extrem- ity of the arc is called the versed sine of 7 INVENTIONAL GEOMETRY . 73 321. Can you show that the sine of an arc ...
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Términos y frases comunes
adjacent angles angular points APPLETON arc is called arithmetic arithmetic mean arrange the surfaces axis BALFOUR STEWART base Book-Keeping boundaries breadth card a hollow circumference construct cube curve diameter dimensions divide a circle divide a line divide an equilateral dodecagon Double-Entry Book-Keeping duodecimals ellipse equal and similar equal sectors equilateral triangle find the area four equal FRANKLIN TAYLOR Geology geometry Give a plan give a sketch gles HERBERT SPENCER hexahedron icosahedron Illustrations Inventional Geometry isosceles triangle length line drawn line of chords line of sines line of tangents means nonagon number of degrees obtuse angle octahedron orthoëpists pentagon piece of card place a circle place a hexagon place a square polygon Prof protractor pupil pyramid quadrant quadrilaterals radii radius rectangle reëntrant angle rhomboid rhombus right-angled triangle Science Primer secant sides is called solid square inches square yard takes the name tetrahedron trapezium versed sine write its name zoid