First Lessons in Geometry: With Practical Applications in Mensuration, and Artificers' Work and MechanicsA.S. Barnes, 1840 - 252 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 70.
Σελίδα xii
... multiply numbers by Carpenter's rule 189-193 193-197 To find the content of a piece of timber by Carpenter's rule . 197 Table for board measure 198 Board measure 199 • SECTION II . Of Timber Measure . To find the area of a plank To cut ...
... multiply numbers by Carpenter's rule 189-193 193-197 To find the content of a piece of timber by Carpenter's rule . 197 Table for board measure 198 Board measure 199 • SECTION II . Of Timber Measure . To find the area of a plank To cut ...
Σελίδα 32
... multiplied by the units in its altitude . This product is called the measure of the rectangle . In geometry , we often say , the rectangle of two lines , by which we mean , the rectangle of which those lines are the two adjacent sides ...
... multiplied by the units in its altitude . This product is called the measure of the rectangle . In geometry , we often say , the rectangle of two lines , by which we mean , the rectangle of which those lines are the two adjacent sides ...
Σελίδα 33
... multiplied by its altitude . Thus , the area of the paral- lelogram ABCD , is equal to AB × BE . If the base is 20 , and altitude 15 feet , the area will be 300 square feet . 12. The area of a trapezoid is equal to half the sum of its ...
... multiplied by its altitude . Thus , the area of the paral- lelogram ABCD , is equal to AB × BE . If the base is 20 , and altitude 15 feet , the area will be 300 square feet . 12. The area of a trapezoid is equal to half the sum of its ...
Σελίδα 34
... multiplied by the altitude gives a rectangle , which is double the triangle . Thus , A B the area of the triangle ABC , is equal to half the pro- duct of ABX CD . If the base of a triangle is 12 , and the altitude 8 yards , the area ...
... multiplied by the altitude gives a rectangle , which is double the triangle . Thus , A B the area of the triangle ABC , is equal to half the pro- duct of ABX CD . If the base of a triangle is 12 , and the altitude 8 yards , the area ...
Σελίδα 70
... multiplied by the altitude . Thus , BG ( AB + BC + CD + DE + EA ) is equal to the convex surface . F K I H D B C E B 19. The convex surface of a reg- ular pyramid , is equal to the peri- meter of the base , multiplied by half the slant ...
... multiplied by the altitude . Thus , BG ( AB + BC + CD + DE + EA ) is equal to the convex surface . F K I H D B C E B 19. The convex surface of a reg- ular pyramid , is equal to the peri- meter of the base , multiplied by half the slant ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
12 feet 20 feet acres altitude bisect bounded by Planes breadth called centre of gravity chord circular sector circumfer circumference cone convex surface cubic feet cubic foot cubic inches cylinder decimal diagonals diameter distance divide draw equilateral triangle EXAMPLES Explain the manner feet 6 inches figure find the area find the solidity frustum given angle given line given point gles half hypothenuse intersect line be drawn linear unit lower base manner of inscribing Mensuration of Surfaces multiplied number of square parallel planes parallelogram parallelopipedon pentagon pentagonal pyramid perpendicular Practical Geometry.-Problems PROBLEM pulley pyramid radius rectangle regular polygon regular solids Required the area rhombus right angled triangle Round Bodies RULE scale of equal secant line segment similar polygons similar triangles slant height solid content solid feet Solids bounded specific gravity sphere square feet square yards straight line tangent thickness upper base weight
Δημοφιλή αποσπάσματα
Σελίδα 20 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Σελίδα 32 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
Σελίδα 40 - Similar triangles are to each other as the squares described on their homologous sides. Let ABC, DEF be two similar triangles...
Σελίδα 82 - A zone is a portion of the surface of a sphere included between two parallel planes.
Σελίδα 235 - An equilibrium is produced in all the levers, when the weight multiplied by its distance from the fulcrum is equal to the product of the power multiplied by its distance from the fulcrum. That...
Σελίδα 84 - The convex surface of a cylinder is equal to the circumference of its base multiplied by its altitude.
Σελίδα 34 - The area of a triangle is equal to half the product of the base and height.
Σελίδα 35 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.
Σελίδα 20 - For this purpose it is divided into 360 equal parts, called degrees, each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds, are marked thus, °, ', " ; and 9° 18' 10", are read, 9 degrees, 18 minutes, and 10 seconds.
Σελίδα 83 - The surface of a sphere is equal to the product of its diameter by the circumference of a great circle.