A course of practical geometry for mechanics1856 |
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Página 13
... inches long is equal to the sum of two other lines of 1 inch and 2 inches long ; also a triangle whose area is 3 square inches , is equal to the sum of two other triangles , whose areas are 1 square inch and 2 square inches . The ...
... inches long is equal to the sum of two other lines of 1 inch and 2 inches long ; also a triangle whose area is 3 square inches , is equal to the sum of two other triangles , whose areas are 1 square inch and 2 square inches . The ...
Página 21
... inches distance . 2. Draw a vertical line 3 inches long ; and , on each side of it , draw another line at 1 inch distance . 3. Draw two lines , each parallel to another line ; the first three - quarters of an inch distant from the given ...
... inches distance . 2. Draw a vertical line 3 inches long ; and , on each side of it , draw another line at 1 inch distance . 3. Draw two lines , each parallel to another line ; the first three - quarters of an inch distant from the given ...
Página 25
... inches long ; and by the triangle and ruler , if not more than 6 inches long those of greater lengths should be constructed by one of the foregoing problems . : PROBLEM XIII . To make a rectangle of a given length and breadth . Let A B ...
... inches long ; and by the triangle and ruler , if not more than 6 inches long those of greater lengths should be constructed by one of the foregoing problems . : PROBLEM XIII . To make a rectangle of a given length and breadth . Let A B ...
Página 26
... inches . 2. Make a rhomboid , having 3 inches for its base , 2 inches for each of the adjacent sides , and 30 ° for ... long into 6 equal parts . 2. Find the ninth part of a line 4 inches long . PROBLEM XV . To divide a line into any ...
... inches . 2. Make a rhomboid , having 3 inches for its base , 2 inches for each of the adjacent sides , and 30 ° for ... long into 6 equal parts . 2. Find the ninth part of a line 4 inches long . PROBLEM XV . To divide a line into any ...
Página 27
... inches long into 8 equal parts . inches long into 7 equal parts . inches long into 4 equal parts . 4. Divide a line 3 inches long into 63 equal parts . 3. Divide a line 2 Straight lines are often divided , by trials , into numbers of ...
... inches long into 8 equal parts . inches long into 7 equal parts . inches long into 4 equal parts . 4. Divide a line 3 inches long into 63 equal parts . 3. Divide a line 2 Straight lines are often divided , by trials , into numbers of ...
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Términos y frases comunes
13 inches A B C A C B Aldersgate Street altitude angle equal arc or angle Arithmetical mean Bisect Book centre circumference contain an angle cutting A B describe a circle describe a regular describe an arc diagonal scale distance Divide a line Draw a line Draw chords Draw the line ellipse equilateral triangle Euclid Euclid's Elements EXAMPLES French FRENCH LANGUAGE Geometry given angle given circle given line given parallelogram given point given square given straight line given triangle Harmonical mean heptagon inch side inches long inches radius inches respectively inscribe isosceles triangle Join Let A B line 2 inches line A B number of degrees number of equal parallel parallel ruler perpendicular plain scale plane Prob PROBLEM produced Prop protractor pupil radii rectangle rectilineal figure regular pentagon regular polygon Relfe rhombus right angles right line right-angled triangle scale of chords segment square equal triangle required vertex vertical angle
Pasajes populares
Página 8 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Página 8 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Página 7 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 68 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.
Página 14 - An angle in a segment is the angle contained by two straight lines drawn from any point in the circumference of the segment to the extremities of the straight . line which is the base of the segment.
Página 9 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 11 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 7 - ... straight lines, and the other upon the other line : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABC, or CBA ; that which is contained by AB...