Junior High School Mathematics: Book One, Volume 1D.C. Heath & Company, 1921 |
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Page 151
Book One Walter Wilson Hart. X. TRIANGLES , PARALLELOGRAMS , TRAPEZOIDS 63. Triangles . - The figure at the right is a triangle . It is called triangle ABC , or △ ABC . ( A is used to repre- sent the word " triangle . " ) A triangle has ...
Book One Walter Wilson Hart. X. TRIANGLES , PARALLELOGRAMS , TRAPEZOIDS 63. Triangles . - The figure at the right is a triangle . It is called triangle ABC , or △ ABC . ( A is used to repre- sent the word " triangle . " ) A triangle has ...
Page 153
... triangle , etc. 8. a . How many sides of a triangle may be selected as the " base " of the triangle ? b . How many ... Right triangles . EXERCISE 78 1. a . Draw TRIANGLES , PARALLELOGRAMS , TRAPEZOIDS 153.
... triangle , etc. 8. a . How many sides of a triangle may be selected as the " base " of the triangle ? b . How many ... Right triangles . EXERCISE 78 1. a . Draw TRIANGLES , PARALLELOGRAMS , TRAPEZOIDS 153.
Page 154
Book One Walter Wilson Hart. 64. Right triangles . EXERCISE 78 1. a . Draw segment AB 2 inches long . At A , draw ... triangle . c . What kind of angles are B and Z C ? Measure them , and print inside each the number of degrees there are ...
Book One Walter Wilson Hart. 64. Right triangles . EXERCISE 78 1. a . Draw segment AB 2 inches long . At A , draw ... triangle . c . What kind of angles are B and Z C ? Measure them , and print inside each the number of degrees there are ...
Page 155
... right angles to it . Make a scale drawing of this figure . Then measure AB ... triangle XYZ to scale . b . Measure XZ , and thus determine how many feet of ... right triangle . EXERCISE 79 1. a . Draw right triangle ABC , having base BC ...
... right angles to it . Make a scale drawing of this figure . Then measure AB ... triangle XYZ to scale . b . Measure XZ , and thus determine how many feet of ... right triangle . EXERCISE 79 1. a . Draw right triangle ABC , having base BC ...
Page 156
... triangle ABC compare with the amount inside triangle ACD ? ( Do not merely guess . Make a tracing of triangle ABC ... right triangle if : 3. The base is 6 in . and the altitude is 4 in . ? 4. The base is 8 ft . and the altitude is 5 ft ...
... triangle ABC compare with the amount inside triangle ACD ? ( Do not merely guess . Make a tracing of triangle ABC ... right triangle if : 3. The base is 6 in . and the altitude is 4 in . ? 4. The base is 8 ft . and the altitude is 5 ft ...
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acre amount due arc degrees average bisect bisector borrowed bought bushel butter fat coal common fraction compasses Construct cubic foot decimal place decimal point diagonals diameter discount Divide dozen Draw a segment Draw the altitude drill equal Example feet figure Find the area Find the cost Find the interest finding the base following numbers formula gallon geometry gross profit hypotenuse improper fraction inches long increase isosceles trapezoid length Liberty Bond list price marked marked price measure miles months Multiply the numbers number decreased number of days numbers of Row parallelogram parallelopiped percentage perpendicular pound print or write protractor pupils quotient rate per cent received rectangle represent right angle right triangle saved by buying scale drawing selling price sides sold Solution square inches subtract Test tracing paper trapezoid triangle ABC vertex vertical weight wide zoid
Popular passages
Page 220 - Liquid Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Page 221 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 219 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Page 220 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Page 219 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 219 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 220 - AVoIRDUPOIS WEIGHT 16 ounces (oz.) = 1 pound (Ib.). 100 pounds = 1 hundredweight (cwt.). 20 hundredweight = 1 ton (T.).
Page 103 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 221 - Money 100 pfennige = 1 mark 1 mark = 28.8 cents Miscellaneous Measures Numbers Paper 12 units = 1 dozen (doz.) 24 sheets = 1 quire 20 units = 1 score 20 quires = 1 ream 12 dozen = 1 gross (gr.) 2 reams = 1 bundle 12 gross = 1 great gross 5 bundles = 1 bale Some Standard Weights (Used in most of the States) Wheat . . . . . . 60 Ib.
Page 220 - MEASURE 60 minims (lt\,) = 1 fluid dram (f 3) 8 fluid drams = 1 fluid ounce (f 3 ) 16 fluid ounces = 1 pint (O) 8 pints = 1 gallon (cong...