| Baltimore (Md.). Department of Education - Mathematics - 1924 - 182 pages
...apothem. b. The area of a circle equals ?rr2 (informal proof only). 4. The perimeters of two regular **polygons of the same number of sides are to each other as** their radii, or as their apothems. The treatment of the mensuration of the circle should be based on... | |
| National Committee on Mathematical Requirements - Mathematics - 1927 - 208 pages
...triangles of equal bases and equal altitudes are equal. [74, cd] 22. The perimeters of two regular **polygons of the same number of sides are to each other as** their radii and also as their apothems. [83] * SOLID GEOMETRY In the following list the precise wording... | |
| College Entrance Examination Board - Mathematics - 1920 - 108 pages
...Mathematics CD, Plane and Solid Geometry, is printed on page 1.] 1. Prove: The perimeters of two regular **polygons of the same number of sides are to each other as the** radii or the apothems of the polygons. 2. Prove: In any circle the perpendicular to a radius at its... | |
| William Betz, Harrison Emmett Webb, Percey Franklyn Smith - Geometry, Plane - 1912 - 356 pages
...proportional ? 2. Are the polygons mutually equiangular ? 452. COROLLARY 1. The perimeters of two regular **polygons of the same number of sides are to each other as** any two homologous sides ; and the areas of tivo regular polygons of the same number of sides are to... | |
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