 | Dana Pond Colburn - Arithmetic - 1860 - 104 pages
...side of square = 63.8084 ft. Art. 141. Ex. 36. — From i it follows that the diameters and the radii of circles are to each other as the square roots of their nreas. As the area of the required circle = 9 times that of the given circle, its radius must be -J... | |
 | Silas Ellsworth Coleman - Arithmetic - 1897 - 178 pages
...the first and last members of (1), and interchanging them, we have (2 s ) In words : The radii of two circles are to each other as the square roots of their areas. NOTE. The relation between (1) and (2) is expressed by saying that either is the converse of the other.... | |
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From i it follows that the diameters and the radii of circles are to each other as the square roots of their areas. 