### Contents

 Exercises and problems 82 quadrilaterals 88 triangleskinds measurement 99 drawing and measuring figures 106 Miscellaneous and review exercises and problems 122 Tables of weights and measures 129 general method 146 selection of methods 152 Insurance 161 Review problems discount commission insurance 167
 Metric system 239 Longitude and time standard time 246 Problems from examination papers 260 55 274 APPENDIX 280 58 281 59 xii 74 2 87 8 Copyright

### Popular passages

Page 130 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or � . 12 Ounces = 1 Pound, . . Ib., or ft,.
Page 129 - Time 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr . ) 24 hours = 1 day (da.) 7 days = 1 week (wk...
Page 86 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 285 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Page 242 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (Hg.) 10 hektograms = 1 kilogram (Kg...
Page 102 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center.
Page 240 - EQUIVALENTS 100 sq. millimeters (sq. mm.) = 1 sq. centimeter (sq. cm.) = 0.155 sq. in. 100 sq. centimeters = 1 sq. decimeter (sq. dm.) 100 sq. decimeters = 1 sq. meter (sq. m.) = 10.764 sq. ft. 100 sq. meters = 1 sq. dekameter (sq. Dm.) 100 sq. dekameters = 1 sq. hektometer (sq. Hm.) 100 sq. hektometers = 1 sq. kilometer (sq. Km.) = 247.114 acres When used in measuring land the square meter is called a centare (ca.), the square dekameter an are (a.), and the square hektometer a hektare (Ha.). Units...
Page 129 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 254 - I purchase for \$ 5 ? 10. A can do a piece of work in 6 days, B can do it in 7 days. If B's wages are \$2.10 per day, how much should A receive per day?
Page 43 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.