 | Frederick Augustus Griffiths - 1854 - 406 pages
...contains a greater area than any other plane figure, bounded by an equal perimeter, or outline. 2. The areas of circles are to each other as the squares of their diameters ; any circle twice the diameter of another contains four times the area of the other. 3. The diameter... | |
 | 1854 - 500 pages
...Again, the superficial admeasurement of a sphere varies as the area of one of their great circles, and the areas of circles are to each other as the squares of their diameters. .-. if y=the diameter required, iy3 : 79123 ::2:1, , ,. 7Q1 9 x /2 = 7912x1-414213 = 11189-253256 miles.... | |
 | 1855 - 628 pages
...mean diameter, that at the top being 15.5 inches, and at the bottom 14 inches, is 14.75 inches. As the areas of circles are to each other as the squares of their diameters, we have these areas in the proportion of 217.56 to 1. This number multiplied by the depth in inches,... | |
 | Dana Pond Colburn - 1855 - 396 pages
...diameter. (z.) The area of a circle also equals the square of its radius multiplied by 3.1416. (y.) The areas of circles are to each other as the squares of their diameters or radii. 228. Problems. GENERAL DIRECTION. — Draw figures to correspond to the conditions of each... | |
 | Charles Haslett - 1855 - 482 pages
...capacious of all plane figures, or contains the greatest area within the same perimeter or outline. 2. The areas of circles are to each other as the squares of their diameters, or of their radii. 3. Any circle whose diameter is double that of another, contains four times the... | |
 | Charles W. Hackley - 1856 - 530 pages
...capacious of all plane figures, or contains the greatest area within the same perimeter or outline. 2. The areas of circles are to each other as the squares of their diameters, or of their radii. 3. Any circle whose diameter is double that of another, con tains four times the... | |
 | Charles Haslett - 1855 - 544 pages
...capacious of all plane figures, or contains the greatest area within the same perimeter or outline. 2. The areas of circles are to each other as the squares of their diameters, or of their radii. 3. Any circle whose diameter is double that of another, contains four times the... | |
 | Dana Pond Colburn - 1856 - 392 pages
...diameter. (x.) The area of a circle also equals the square of its radius multiplied by 3.1416. (y.) The areas of circles are to each other as the squares of their diameters or radii. * More accurately, 3.141592653589 ; but the above is sufficiently exact for most purposes.... | |
 | 1855 - 420 pages
...circle contains a greater area than any other plane figure bounded by the same perimeter or outline. 2. The areas of circles are to each other as the squares of their diameters ; any circle twice the diameter of another contains four times the area of the other. 3. The radius... | |
 | Richard Dawes - 1857 - 272 pages
...is the circumference of a circle whose diameter is unity, 3'14159 + J = '78539 is the area, and that the areas of circles are to each other as the squares of their diameters ; this expression they can work with practically afterwards, in measuring timber, etc. The contents... | |
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The areas of circles are to each other as the squares of their diameters. 
