Modern Junior Mathematics, Βιβλίο 2Gregg, 1920 |
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Σελίδα v
... Four years ago an outline of it was given by the author to the teachers under her supervision because no suitable text in experi- mental geometry could be found . By way of further suggestion , one or two topics were expanded in more ...
... Four years ago an outline of it was given by the author to the teachers under her supervision because no suitable text in experi- mental geometry could be found . By way of further suggestion , one or two topics were expanded in more ...
Σελίδα viii
... FOUR CONSTRUCTIONS A. CONSTRUCTIONS OF TRIANGLES B. CONSTRUCTION OF LINES . I. To draw Perpendicular Lines . II . To Draw Lines of Bisection CHAPTER FIVE FURTHER STUDY OF TRIANGLES A. IMPORTANT LINES IN TRIANGLES . I. In Isosceles ...
... FOUR CONSTRUCTIONS A. CONSTRUCTIONS OF TRIANGLES B. CONSTRUCTION OF LINES . I. To draw Perpendicular Lines . II . To Draw Lines of Bisection CHAPTER FIVE FURTHER STUDY OF TRIANGLES A. IMPORTANT LINES IN TRIANGLES . I. In Isosceles ...
Σελίδα 3
... four times the length of one edge . 3. ( a ) Is this true for any face of the oblong ? Why ? ( b ) How many edges of the oblong must you meas- ure to know the perimeter of one of its faces ? 4. ( a ) To distinguish certain faces of a ...
... four times the length of one edge . 3. ( a ) Is this true for any face of the oblong ? Why ? ( b ) How many edges of the oblong must you meas- ure to know the perimeter of one of its faces ? 4. ( a ) To distinguish certain faces of a ...
Σελίδα 4
... 9. ( a ) If the edge of a cube or e 3 in . , then by put- ting 3 in the place of e in for the cube or square , P = the formula , we have = 4 x e = 4 x 3 = 12 inches ( b ) If a rectangle is four inches long 4 MODERN JUNIOR MATHEMATICS.
... 9. ( a ) If the edge of a cube or e 3 in . , then by put- ting 3 in the place of e in for the cube or square , P = the formula , we have = 4 x e = 4 x 3 = 12 inches ( b ) If a rectangle is four inches long 4 MODERN JUNIOR MATHEMATICS.
Σελίδα 5
... four times , or e has been multiplied by 4 . It is shown in 12 = 3 +3 +3 +3 = 4 × 3 ( b ) A number used ( as the 4 ) to show how many times another number ( as the e or 3 ) has been added to itself is a coefficient . Since ...
... four times , or e has been multiplied by 4 . It is shown in 12 = 3 +3 +3 +3 = 4 × 3 ( b ) A number used ( as the 4 ) to show how many times another number ( as the e or 3 ) has been added to itself is a coefficient . Since ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
altitude angles base called centimeters CHAPTER circle circumference compass construct corner cube cubic cylinder decimal diagonal diameter dimensions distance divide Draw drawn edge equal exactly faces factors feet figure Find the area fold formula four give given ground height hexagon inches isosceles kind lateral length letter mark mathematics means measure method multiplied needed octagon parallel parallelogram pentagon perimeter perpendicular pipe pole polygon problem protractor pyramid radius ratio rectangle regular regular hexagon right angles right triangle shape sides similar square root statement straight surface trapezoid triangle vertex vertices volume wide width write
Δημοφιλή αποσπάσματα
Σελίδα 231 - 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.
Σελίδα 233 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 231 - 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...
Σελίδα 234 - 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 232 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 192 - The areas of two circles are to each other as the squares of their radii, or as the squares of their diameters. S TrR2 R* If1' = ~R^ = "cT* = -D'*
Σελίδα 234 - Arcs 60 seconds (") =1 minute (') 60 minutes = 1 degree (°) 90 degrees = 1 right angle 360 degrees = 1 circle...
Σελίδα 50 - The shortest distance from a point to a line is the perpendicular distance from the point to the line.
Σελίδα 234 - SURFACE too square millimeter's (sq. mm.) = 1 square centimeter (sq. cm.) 100 square centimeters — 1 square decimeter (sq. dm.) 100 square decimeters = 1 square meter (sq. m.) 100 square meters =- 1 square dekameter (sq.
Σελίδα 122 - To divide powers of the same base, subtract the exponent of the divisor from the exponent of the dividend.