Modern Junior Mathematics, Βιβλίο 2Gregg, 1920 |
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Αποτελέσματα 1 - 5 από τα 19.
Σελίδα 36
... altitude , as the lines BC or AD . ( b ) We found that the area of the surface of a rectangle = length x width , or , the surface of a rectangle base x height . = Therefore we may write the formula thus : S = bh C. CLASSIFICATION OF ...
... altitude , as the lines BC or AD . ( b ) We found that the area of the surface of a rectangle = length x width , or , the surface of a rectangle base x height . = Therefore we may write the formula thus : S = bh C. CLASSIFICATION OF ...
Σελίδα 38
... altitude or height is a line drawn from the vertex of the rt . angle the hypotenuse . H B 9. How to find the altitude of any triangle ( except certain altitudes of obtuse A ) . ( a ) By folding . ( 1 ) Draw and cut out a triangle . Make ...
... altitude or height is a line drawn from the vertex of the rt . angle the hypotenuse . H B 9. How to find the altitude of any triangle ( except certain altitudes of obtuse A ) . ( a ) By folding . ( 1 ) Draw and cut out a triangle . Make ...
Σελίδα 39
... altitudes of the △ . ( 2 ) Make a similar fold from each of the other vertices . ( 3 ) Any side may be the base of a △ , but with each base goes the to it from the opposite vertex . ( 4 ) Do the three altitudes you have folded meet in ...
... altitudes of the △ . ( 2 ) Make a similar fold from each of the other vertices . ( 3 ) Any side may be the base of a △ , but with each base goes the to it from the opposite vertex . ( 4 ) Do the three altitudes you have folded meet in ...
Σελίδα 41
... altitudes in a triangle . Measure each base and altitude to the nearest tenth of a centimeter . Find the area from the three sets of measurements . Are they approximately equal ? ( b ) Find the area of a triangle whose base is 6 ' 4 ...
... altitudes in a triangle . Measure each base and altitude to the nearest tenth of a centimeter . Find the area from the three sets of measurements . Are they approximately equal ? ( b ) Find the area of a triangle whose base is 6 ' 4 ...
Σελίδα 54
... altitude ( 2 ) A bisector of the vertex angle ( 3 ) A perpendicular bi- sector of the base ( 4 ) Are these folds the same or are they three separate lines ? ( b ) In the second triangle , very carefully 54 MODERN JUNIOR MATHEMATICS In ...
... altitude ( 2 ) A bisector of the vertex angle ( 3 ) A perpendicular bi- sector of the base ( 4 ) Are these folds the same or are they three separate lines ? ( b ) In the second triangle , very carefully 54 MODERN JUNIOR MATHEMATICS In ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude area and perimeter base bisect bisector called centimeters circle circumference compass construct cube cubic cylinder decimal places diagonal diameter dimensions divide Draw a line Draw a rectangle Draw and cut edge equal equilateral triangle exterior angles faces factors Find the area Find the perimeter Find the square fold formula fraction given height high school hypotenuse interior angles intersecting isosceles triangle kind Magic Squares mathematics means Measure multiplied oblong octagon parallelogram pentagon perpendicular protractor pupil pyramid Pythagorean Theorem radius rectangle regular hexagon regular polygon rhombus right angles right triangle rods ruler scale scalene triangle shape sides similar figures square feet square inches square root squared paper straight angle supplementary angles surface trapezoid vertex vertex angle vertices
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.