Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids: to which are Added Elements of Plane and Spherical TrigonometryCollins & Hannay, 1860 - 333 σελίδες |
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Σελίδα 222
... called a minute ; and if a Minute be divided into 60 equal parts , each of them is called a Second , and so on . And as many degrees , minutes , seconds , & c . as are in any arch , so many degrees , minutes , seconds , & c . are said ...
... called a minute ; and if a Minute be divided into 60 equal parts , each of them is called a Second , and so on . And as many degrees , minutes , seconds , & c . as are in any arch , so many degrees , minutes , seconds , & c . are said ...
Σελίδα 223
... called the Sup- plements of one another . IV . A straight line CD drawn through C , one of the extremities of the arch AC , perpendicular to the di- ameter passing through the other extremity A , is called the Sine of the arch AC , or ...
... called the Sup- plements of one another . IV . A straight line CD drawn through C , one of the extremities of the arch AC , perpendicular to the di- ameter passing through the other extremity A , is called the Sine of the arch AC , or ...
Σελίδα 281
... called circular ; because , when they are named in the natural ordey of their succession , they go round the ... called the adjacent parts ; and the other two , each of which is separated from the middle by an adjacent part , are called ...
... called circular ; because , when they are named in the natural ordey of their succession , they go round the ... called the adjacent parts ; and the other two , each of which is separated from the middle by an adjacent part , are called ...
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ABC is equal ABCD altitude angle ABC angle ACB angle BAC angle EDF arch AC base BC bisected centre circle ABC circumference cosine cylinder demonstrated diameter draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given straight line greater hypotenuse inscribed join less Let ABC Let the straight line BC magnitudes meet multiple opposite angle parallel parallelogram perpendicular polygon prism PROB produced proportionals proposition Q. E. D. COR Q. E. D. PROP radius ratio rectangle contained rectilineal figure remaining angle segment semicircle side BC sine solid angle solid parallelopipeds spherical angle spherical triangle straight line AC THEOR third touches the circle triangle ABC triangle DEF wherefore