Modern Junior Mathematics, Βιβλίο 2Gregg, 1920 |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 20.
Σελίδα 4
... wide ; of one that is 8 feet long and 3 feet wide ; of one that is 5 inches by 2 inches . 7. In the statements , sections 13 ( c ) and 16 ( b ) , let the first letters of the main words be used in place of the words , thus : ( a ) For ...
... wide ; of one that is 8 feet long and 3 feet wide ; of one that is 5 inches by 2 inches . 7. In the statements , sections 13 ( c ) and 16 ( b ) , let the first letters of the main words be used in place of the words , thus : ( a ) For ...
Σελίδα 5
... wide , then we have for the rectangle , P = 2 × ( l + w ) = 2 × ( 4 + 3 ) = 2 × 7 = 14 inches ( c ) This process is called substituting numerical values for the letters in a formula . ( d ) Instead of writing out the words " for a ...
... wide , then we have for the rectangle , P = 2 × ( l + w ) = 2 × ( 4 + 3 ) = 2 × 7 = 14 inches ( c ) This process is called substituting numerical values for the letters in a formula . ( d ) Instead of writing out the words " for a ...
Σελίδα 18
... wide , and 8 in . high , inside measurement . How many square feet of tin will be required to line the box ? No allowance is made for waste . 12. How many square yards of cement pavement are needed for a walk 4 ft . wide in front of a ...
... wide , and 8 in . high , inside measurement . How many square feet of tin will be required to line the box ? No allowance is made for waste . 12. How many square yards of cement pavement are needed for a walk 4 ft . wide in front of a ...
Σελίδα 90
... wide ? ι พ = 25 10 = 5 or 21 2 ( b ) This statement means that the length 25 has 25 ' the same rela- tion to the width 10 as 5 has to 2. In other words , the length is 21 times the width . The statement 1 5 W 2 = may be read in two ways ...
... wide ? ι พ = 25 10 = 5 or 21 2 ( b ) This statement means that the length 25 has 25 ' the same rela- tion to the width 10 as 5 has to 2. In other words , the length is 21 times the width . The statement 1 5 W 2 = may be read in two ways ...
Σελίδα 93
... 25 ' long . How wide is it ? In □ A , W Therefore , in B , พ 25 3 75 - = = 9 15 9 15 5 75 X- 15 พ 25 3 w = 45 W = 15 X by 75 . ÷ by 3 . Therefore , the width of □ B = 15 ft . 6. A room is 15 ' x 18 ' . PROBLEMS FROM RECTANGLES 93.
... 25 ' long . How wide is it ? In □ A , W Therefore , in B , พ 25 3 75 - = = 9 15 9 15 5 75 X- 15 พ 25 3 w = 45 W = 15 X by 75 . ÷ by 3 . Therefore , the width of □ B = 15 ft . 6. A room is 15 ' x 18 ' . PROBLEMS FROM RECTANGLES 93.
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.