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6 Cards in this Set
- Front
- Back
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Radian
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180^/Pi; so an arc's radius is its length times one radian.
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Rod
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1 rod = 16.5 ft.
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Chain, Link
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1 chain is equal to 66.0 ft. and is divided into 100 links. 1 link is equal to 0.66 ft.; 15 chains, 64 links equals 15.64 links.
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Hectare
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10,000 sq. m., or 2.471 ac.
"100x100 rectangle" |
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1 U.S. Survey Foot
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12in./39.37in.\m=0.3048006 m
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Grad
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one hundredth of a right angle. One grad = 0.9 of a degree, or 00^54'
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