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An Introduction to Mensuration and Practical Geometry: And Also the Most ...
John Bonnycastle,James Ryan
Sin vista previa disponible - 2016
9 inches ABCD abscissa added altitude angle answer axis base body breadth called centre chord circle circular circumference cone conjugate contained convex cube cubic curve cutting cylinder decimal Demon depth describe diameter difference dimensions distance divided double ellipse equal EXAMPLES fall feet 6 inches figure find the area foot formed fraction frustrum gallons girth give given greater half half the arc height length less mean measure middle minute Multiply nearly Note opposite ordinate parallel perpendicular plane polygon PROBLEM proportion pyramid quotient radius Required the area right angled roof rule segment side solidity sphere square root stands superficies supposing surface taken thickness third transverse diameter triangle twice versed sine wall wheel whole wine yard
Página 50 - The areas of circles are to each other as the squares of their diameters.
Página 20 - In a right-angled triangle, the side opposite to the right angle, is called the hypothenuse ; and the other two sides are called the legs, and sometimes the base and perpendicular : thus, A, B is the base, B, C perpendicular, and A, C hypothenuse.
Página 125 - To find the solidity of a cylinder. RULE. — Multiply the area of the base by the altitude, and the product will be the solidity.
Página 192 - ... foot ; there being three stories, and three windows in each story. The height of the lower tier is 7 feet 9 inches, of the middle 6 6 of the upper 5 3| and of an oval window over the door 1 105 the common breadth of all the windows being 3 feet 9 inches. Ans. £12, Is. 8|d. PAVERS' WORK — Pavers- work is done by the square yard.
Página 21 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Página 260 - MECHANICAL POWERS are certain simple instruments employed in raising greater weights, or overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Página 96 - As the conjugate diameter is to the transverse, So is the square root of the difference of the squares of the ordinate and semi-conjugate, To the distance between the ordinate and centre.
Página 15 - The radius of a circle is a right line drawn from the centre to the circumference.