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6 Cards in this Set

  • Front
  • Back
Radian
180^/Pi; so an arc's radius is its length times one radian.
Rod
1 rod = 16.5 ft.
Chain, Link
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.
Hectare
10,000 sq. m., or 2.471 ac.
"100x100 rectangle"
1 U.S. Survey Foot
12in./39.37in.\m=0.3048006 m
Grad
one hundredth of a right angle. One grad = 0.9 of a degree, or 00^54'