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An area cannot be equal to a length except relative to a particular unit of measurement. For example, if shape has an area of 5 square yards and a perimeter of 5 yards, then it has an area of 45 square feet (4.2 m 2) and a perimeter of 15 feet (since 3 feet = 1 yard and hence 9 square feet = 1 square yard).
These tests filled school accountability requirements until the STAR (Standardized Testing and Reporting) program began in 1998. Under this program almost all students in grades 2 through 11 took the California Standards Test that reflect the state's academic content standards and a standardized test every year.
The Polsby–Popper test is a mathematical compactness measure of a shape developed to quantify the degree of gerrymandering of political districts. The method was developed by lawyers Daniel D. Polsby and Robert Popper, [1] though it had earlier been introduced in the field of paleontology by E.P. Cox. [2] The method was chosen by Arizona's redistricting commission in 2000.
For example, the perimeter of a rectangle of width 0.001 and length 1000 is slightly above 2000, while the perimeter of a rectangle of width 0.5 and length 2 is 5. Both areas are equal to 1. Proclus (5th century) reported that Greek peasants "fairly" parted fields relying on their perimeters. [ 2 ]
When the test was first developed, it was pharmacologically validated through the use of benzodiazepines, a common anxiety medication. Newer drugs such as 5-HT-1A partial agonists and selective serotonin reuptake inhibitors , which have also been proven to treat anxiety, show inconsistent results in this test.
Dead Hand, also known as Perimeter (Russian: Система «Периметр», romanized: Sistema "Perimetr", lit. '"Perimeter" System', with the GRAU Index 15E601, Cyrillic: 15Э601), [1] is a Cold War–era automatic or semi-automatic nuclear weapons control system (similar in concept to the American AN/DRC-8 Emergency Rocket Communications System) that was constructed by the Soviet Union ...