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| View Original: | Flag of the United States specification.svg (1702x982) | |||
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| Keywords: Flag of the United States specification.svg flag of the United States was given in Executive Order 10834 by Dwight D Eisenhower on August 21 1959 It appears in the United States Code title 4 chapter 1 http //assembler law cornell edu/uscode/html/uscode04/usc_sec_04_00000001----000-notes html The code specifies the lengths as See Flag of the United States article for details The exact values are given in parenthesis see graphics above for the modern US flag with 50 stars Older flags do not get adjusted for any reason A 1 000 1/1 B 1 910 B/A 1 910 fixed C 0 53846 7/13 D 0 7615 C sqrt 2 7xsqrt 2 /13 E F 0 053846 C/10 7/130 G H 0 06346 D/12 7 sqrt 2 / 12 13 K 0 061803 inv 5x sqrt 5 +1 L 0 07692 1/13 How is this obtained or calculated See below <poem>Let A 1 A 13L L 1/13 0 076923 C 7L 7/13 0 5384615 D 0 76 From Flag of the United States wiki article B x 2/5 which is correct only for this AR of the flag in fact D/C looks to be about sqrt 2 and if so then D 7xsqrt 2 /13 0 7614996 Given E F then E F C/10 7/130 0 05384615 Given G H then G H D/12 7xsqrt 2 /156 0 0634583 K 0 0616 From Flag of the United States wiki article L x 4/5 4/65 0 06153846 which contradicts what was given The correct value for K is inv 5x sqrt 5 +1 0 061803398874 if we work this number backward we will get K L x 4 017220926874 /5 and somebody rounded it off or over simplified it there is where the confusion came from The aspect ratio B/A is independent of all other parameters and is stated as 1 9 but its rounded off from 1 91 see the main Flag of the United States text for the 0 01 rounding error B 1 910</poem> Just in case you wanted to make your own flag and all these numbers look too complicated Here is something simple US Letter paper size is 8 5x11 Fold 1/2 inch to get 10 5 inches Thats your B and you can get one flag out of a paper <poem> A 5 5 inch this is your height of the flag B 10 5 inch L 27/64 inch height of each strips C 2 15/16 inches or 7 strips D 4 3/16 inch E F 19/64 inch G H 11/32 inch K 11/32 inch</poem> Alternatively fold 1/2 inch on the other side so you get 8 inches on one side Thats your B and you can get two flags out of a paper <poem> A 4 3/16 inch this is your height of the flag B 8 0 inch L 5/16 inch height of each strips C 2 1/4 inches or 7 strips D 3 3/16 inch E F 7/32 inch G H 1/4 inch K 1/4 inch </poem> u v + f 2016 Jay Bala PD-USGov Construction sheets of the national flag of the United States 1950s technical drawings SVG flag construction sheets | ||||
