 Square Measure. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 sq. ft. = 1 square yard (sq. yd.) 30-J sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. = 1 acre (A.) ANGLES 102.  Advanced Arithmetic - Page 72by John William McClymonds, David Rhys Jones - 1910 - 324 pagesFull view - About this book
 | Francis Joseph Grund - Geometry, Plane - 1830 - 274 pages
...legs of the any gle. When a straight line meets another, so as to make the two adjacent angles equal, the angles are called right angles,. and the lines are said to be perpendicular to each other, * Any angle smaller than a right angle, is called acute, and when greater than a right... | |
 | Milton Browning Goff - Arithmetic - 1876 - 462 pages
...sides of the angle. 2O6. When two lines meet so that the adjacent angles formed by them are equal, the angles are called Right Angles. And the lines are said to be perpendicular to each other. Thus, If AB and CD meet so as £. to make the angle ADC = jjl® the angle B , DC, then... | |
 | Joseph Ray - Arithmetic - 1880 - 420 pages
...square inches (sq. in.) make 1 square foot, marked sq. ft. 9 sq. ft. " 1 square yard, " sq. yd. 30} sq. yd. " 1 square rod, " sq. rd. 160 sq. rd. "1 acre, " A. EQUIVALENT TABLE. A. sq. rd. sq. yd. sq. ft. sq. in. 1 = 160 = 4840 = 43560 = 6272640. \ = 30£ = 2721... | |
 | Horatio Nelson Robinson - Arithmetic - 1894 - 206 pages
...144 square inches (sq. in.) = 1 square foot .... sq. ft. 9 sq. ft. = 1 square yard ... sq. yd. 30J sq. yd, = 1 square rod .... sq. rd. 160 sq. rd. = 1 acre A. 640 acres = 1 square mile . . . sq. mi. METRIC SQUARE MEASURE. 54. The Are, the unit of metric square... | |
 | Oscar Lynn Kelso - Arithmetic - 1903 - 302 pages
...tabulated. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 sq. ft. = 1 square yard (sq. yd.) 30| sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. = 1 acre (A.) 640 A. =1 square mile (sq. mi.) The rood is equal to 40 sq. rd., and 4 roods equal 1 A. But the rood... | |
 | Jacob William Albert Young, Lambert Lincoln Jackson - Arithmetic - 1904 - 264 pages
...square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet (sq. ft.) = 1 square yard (sq. yd.) 30J sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. =1 acre (A.) 640 acres = 1 square mile (sq. mi.) 36 sq. mi. = a township Cubic 1728 cubic inches (cu. in.) = 1 cubic... | |
 | Jacob William Albert Young - 1905 - 264 pages
...square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet (sq. ft.) = 1 square yard (sq. yd.) 30i sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) 1 sq. mi. = a section 36 sq. mi. = a township 100 sq. ft. = a square... | |
 | John William McClymonds, David Rhys Jones - Arithmetic - 1907 - 390 pages
...Measure. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 sq. ft. = 1 square yard (sq. yd.) 30-J sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. = 1 acre...angles, and the lines are said to be perpendicular Right Angle to each other. ftightAngle 3. The lines that form an angle are called the sides of the... | |
 | John William McClymonds, David Rhys Jones - Arithmetic - 1907 - 352 pages
...(sq. ft.) 9 sq. ft. = 1 square yard (sq. yd.) 30£ sq. yd. - = 1 square rod (sq. rd.) 160 sq. rd. = I acre (A:) ANGLES 102. 1. The difference in direction...angles, and the lines are said to be perpendicular RjgMAngle \ RigM Angle to each other. 3. The lines that form an angle are called the sides of the angle.... | |
 | John William McClymonds, David Rhys Jones - Arithmetic - 1907 - 348 pages
...Measure. 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 sq. ft. = 1 square yard (sq. yd.) 30^ sq. yd. = 1 square rod (sq. rd.) 160 sq. rd. = 1 acre...denote the opening between two lines that meet. 2. When two-straight lines meet and form two equal angles, the angles are called right angles, and the lines... | |
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