Mensuration of Lines, Areas, Surfaces, and Volumes ...1856 |
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Página 23
... base is 30 feet , and height 3 feet . Radius = 1529 225 + 9 = = 6 6 234 6 = 39 feet . By Problem 4 . Again , = 15 5 .2000000 .1943803 56197 the number next to .2 in Table ( A. ) and opposite to 11 degrees , To find the minutes and ...
... base is 30 feet , and height 3 feet . Radius = 1529 225 + 9 = = 6 6 234 6 = 39 feet . By Problem 4 . Again , = 15 5 .2000000 .1943803 56197 the number next to .2 in Table ( A. ) and opposite to 11 degrees , To find the minutes and ...
Página 24
... base and height are 35 and 5 feet . Section 2 . 3. The bridge at Wearmouth has a rise of 30 feet , and a span of 240 feet ; find the length of the intrados . 4. Vauxhall - bridge has a rise of 11 feet 6 inches , and a span of of 78 feet ...
... base and height are 35 and 5 feet . Section 2 . 3. The bridge at Wearmouth has a rise of 30 feet , and a span of 240 feet ; find the length of the intrados . 4. Vauxhall - bridge has a rise of 11 feet 6 inches , and a span of of 78 feet ...
Página 30
... base , and the product will be the area . A Rule 2 . When three sides are given . Add the three sides together and divide the sum by 2 ; call this half the sum . From this half sum subtract each side separately ; call these the three ...
... base , and the product will be the area . A Rule 2 . When three sides are given . Add the three sides together and divide the sum by 2 ; call this half the sum . From this half sum subtract each side separately ; call these the three ...
Página 31
... base of a triangle is 84 yards , and the perpendicular 15 yards ; required its area in square yards and square feet . 2. The base of a triangle is 8 feet 6 inches , and the perpendi- cular is 3 feet 10 inches ; how many square yards ...
... base of a triangle is 84 yards , and the perpendicular 15 yards ; required its area in square yards and square feet . 2. The base of a triangle is 8 feet 6 inches , and the perpendi- cular is 3 feet 10 inches ; how many square yards ...
Página 32
... base of a triangle is 57 chains and 34 links , and its perpendicular is 4 chains 67 links ; find its area . 7. The base of a triangle is 52.21 chains , and its perpendicular 61.71 chains ; required its area . Section 3 . 8. A ...
... base of a triangle is 57 chains and 34 links , and its perpendicular is 4 chains 67 links ; find its area . 7. The base of a triangle is 52.21 chains , and its perpendicular 61.71 chains ; required its area . Section 3 . 8. A ...
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Términos y frases comunes
15 feet 9 feet 9 inches angle and area ANSWERS TO EXAMPLES base centre of gravity chains circle is equal circumscribed circles common interval cone cubic feet cubic foot curve in Example cylinder diameter and height displacement distance divided ellipse EXAMPLES IN PROB feet 6 inches feet 9 feet pitch find its area find its volume find the angle find the area Find the centre Find the diameter find the length Find the volume Find the weight foot length formula horizontal line inches diameter inches length internal diameters knots per hour line A B measured metacentric parabola paraboloid perpendicular PROBLEM radius revolutions per minute Riga fir Rule.-Multiply ship Simpson's rule solid solid of revolution square feet square yards straight line three sides tons versed sine vertical section vessel volume and surface
Pasajes populares
Página xv - LET it be granted that a straight line may be drawn from any one point to any other point.
Página xiii - 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 xii - A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. VIII. " A plane angle is the inclination of two lines to one " another in a plane, which meet together, but are not
Página xv - An oblong is that which has all its angles right angles, but has not all its sides equal.
Página xii - When several angles are at one point B, any one of them is expressed by three letters, of which the letter that is at vertex of the angle, that is, at the point in which the straight lines that contain the angle meet one another, is put between the other two letters, and one of these two is somewhere upon one of those straight...
Página xii - 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 xiv - Of three-sided figures, an equilateral triangle is that which has three equal sides.
Página xvi - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Página xiii - 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 : 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página xvi - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.