FRAME 4-37.
Solution to
In the U.S. Customary System, area is measured using the square inch,
Frame 4-36
square foot, square yard, acre, or square mile.
1,200
1 square foot = 144 square inches
1 square yard = 9 square feet = 1296 square inches
1 acre = 4,840 square yards = 43,560 square feet
1 square mile = 640 acres
An area of land measuring 70 yards by 70 yards is equal to a little more
than one
.
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FRAME 4-38.
Solution to
Information for converting from U.S. Customary System units to metric
Frame 4-37
units is given below. Equivalents are approximate.
acre
1 square inch = 6.5 square centimeters
(70 x 70 = 4900 square
yards)
1 square foot = 0.093 square meters
1 square yard = 0.836 square meters
1 acre = 4, 047 square meters = 40.5 ares = 0.4 hectare
1 square mile = 2.59 square kilometers = 259 hectare
A piece of land one furlong (1/8 mile) square contains _______ acres or
about
hectares.
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MD0900
4-19