Junior Mathematics, Βιβλίο 1Macmillan, 1925 |
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Αποτελέσματα 1 - 5 από τα 17.
Σελίδα 152
... radius ( Fig . 187 ) . A line segment drawn through the center and terminated by radius diameter arc FIG . 187 100 the circle is a diameter ( Fig . 187 ) . A portion of a circle , as AB ( Fig . 187 ) , is an arc . 101. Notation for ...
... radius ( Fig . 187 ) . A line segment drawn through the center and terminated by radius diameter arc FIG . 187 100 the circle is a diameter ( Fig . 187 ) . A portion of a circle , as AB ( Fig . 187 ) , is an arc . 101. Notation for ...
Σελίδα 153
... radius equal to 2 cm . , draw a circle . a radius equal to 4 cm . , draw a second circle . 6. Draw a segment AB , 8 cm . long . Then construct the design shown in Fig . 189 . 7. Draw the design A 4cm . C 4cm . B FIG . 189 FIG . 190 ...
... radius equal to 2 cm . , draw a circle . a radius equal to 4 cm . , draw a second circle . 6. Draw a segment AB , 8 cm . long . Then construct the design shown in Fig . 189 . 7. Draw the design A 4cm . C 4cm . B FIG . 189 FIG . 190 ...
Σελίδα 155
... radius AB draw an arc , as shown at C. With B as center and radius AB draw a second arc intersecting the first at C. Draw AC and BC . FIG . 204 Triangle ABC is the required equilateral triangle . FIG . 205 This construction is important ...
... radius AB draw an arc , as shown at C. With B as center and radius AB draw a second arc intersecting the first at C. Draw AC and BC . FIG . 204 Triangle ABC is the required equilateral triangle . FIG . 205 This construction is important ...
Σελίδα 156
... radius , one on ordinary notebook paper and the other on thin tracing paper . Place the tracing - paper circle over the other circle , and show that the two circles can be made to fit exactly ( coincide ) . If two circles can be made to ...
... radius , one on ordinary notebook paper and the other on thin tracing paper . Place the tracing - paper circle over the other circle , and show that the two circles can be made to fit exactly ( coincide ) . If two circles can be made to ...
Σελίδα 185
... A , D > AB , and with the compass lay off A , B1 on A1D making A1B1 = AB . C A4 B A B FIG . 231 With radius AC and A , as center , draw 185 GEOMETRIC CONSTRUCTIONS MEASUREMENT OF CIRCLE The Use of the Circle in Making Constructions.
... A , D > AB , and with the compass lay off A , B1 on A1D making A1B1 = AB . C A4 B A B FIG . 231 With radius AC and A , as center , draw 185 GEOMETRIC CONSTRUCTIONS MEASUREMENT OF CIRCLE The Use of the Circle in Making Constructions.
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Συχνά εμφανιζόμενοι όροι και φράσεις
acute angles adjacent angles angle equal angles are equal arcs B₁ bar graph bushels cent centimeters central angle circle circular graph compass compass and straightedge complementary angles concurrent lines construction corresponding cost decimal decimeter denoted diameter discount divided Draw a line Draw a triangle draw an angle equal numbers equation equilateral EXERCISES Find the angles Find the average Find the number formula for finding fractions given Hence hour intersecting line graph line segment literal number longitude mathematics means Measure angles meter method metric system miles minutes monomials number of degrees numerical facts paid parallel lines perigon perimeter perpendicular places polygon pounds problems protractor radius ratio right angle right triangle ruler scale drawing selling Show shown Solution Solve the following squared paper straight angle straight lines subtract supplementary angles three figures triangle ABC unit vertex yards
Δημοφιλή αποσπάσματα
Σελίδα 274 - 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 (yr.) 366 days = 1 leap year 12 months (mo.) = 1 year 10 years = 1 decade 10 decades or \ , , , „ , 1=1 century (cen. or U.) 100 years / J v ' Thirty days has September, April, June, and November; All the rest have thirty-one, Excepting February alone, To which we twenty-eight assign, Till leap year gives it twenty-nine.
Σελίδα 19 - Stand at the door of a church on a Sunday, and bid sixteen men to stop, tall ones and small ones, as they happen to pass out when the service is finished; then make them put their left feet one behind the other, and the length thus obtained shall be a right and lawful rood to measure and survey the land with, and the sixteenth part of it shall be a right and lawful foot.
Σελίδα 112 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.
Σελίδα 273 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 137 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 275 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 105 - If two parallel lines are cut by a transversal, the corresponding angles are equal.
Σελίδα 12 - Take the first term from the second, the second from the third, the third from the fourth, &c. and the remainders will form a new series, called the first order of
Σελίδα 98 - In a right triangle, the side opposite the right angle is called the hypotenuse and is the longest side.
Σελίδα 20 - MEASURE. 12 inches (in.) =1 foot (ft.). 3 feet (ft.) =1 yard (yd.).