Junior High School Mathematics: First [-third] Course, Βιβλίο 1Macmillan, 1917 |
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Σελίδα 92
... area of a rectangle . A formula is a brief way of expressing a rule . EXAMPLE 2. The base of a rectangle is 4 " and its height is 3 " . Find its area . SOLUTION . Using the formula for the area of a rec- tangle , given the base and ...
... area of a rectangle . A formula is a brief way of expressing a rule . EXAMPLE 2. The base of a rectangle is 4 " and its height is 3 " . Find its area . SOLUTION . Using the formula for the area of a rec- tangle , given the base and ...
Σελίδα 93
... Find its area . SOLUTION . A ( the number of square feet ) = bh square feet . Placing 7 for b and 6 for h , A 7 X 6 square feet , = A = 42 square feet . Ans . A = 42 sq . ft . EXAMPLE 4 . The two sides of a rectangle are 1 ' 6 " and 1 ...
... Find its area . SOLUTION . A ( the number of square feet ) = bh square feet . Placing 7 for b and 6 for h , A 7 X 6 square feet , = A = 42 square feet . Ans . A = 42 sq . ft . EXAMPLE 4 . The two sides of a rectangle are 1 ' 6 " and 1 ...
Σελίδα 94
... Find its area . SOLUTION . A ( the number of square inches ) A = = bh square inches . 3.4 X 2.5 square inches = 8.5 ... areas of rec- tangles . Write the results for the last five decimally . FORMULA : A = bh b h EST . A 1. 5 " 12 " 60 ...
... Find its area . SOLUTION . A ( the number of square inches ) A = = bh square inches . 3.4 X 2.5 square inches = 8.5 ... areas of rec- tangles . Write the results for the last five decimally . FORMULA : A = bh b h EST . A 1. 5 " 12 " 60 ...
Σελίδα 95
... Find the area of the lot . 22. A room is 13 ' by 16 ' . Draw to the scale of 10 ' to 1 " a plan of the room . Find the area of the room . 23. Draw to the scale of 100 ' to the inch the plan of a lot of land 180 ' by 125 ' . Find the ...
... Find the area of the lot . 22. A room is 13 ' by 16 ' . Draw to the scale of 10 ' to 1 " a plan of the room . Find the area of the room . 23. Draw to the scale of 100 ' to the inch the plan of a lot of land 180 ' by 125 ' . Find the ...
Σελίδα 96
... Find the area of one pane of glass . ( b ) Find the total area of all the panes . ( c ) Compare it with the floor space . ( d ) The window area is what per cent of the floor area ? 31. One room is 18 ' long and 15 ' wide . A second room ...
... Find the area of one pane of glass . ( b ) Find the total area of all the panes . ( c ) Compare it with the floor space . ( d ) The window area is what per cent of the floor area ? 31. One room is 18 ' long and 15 ' wide . A second room ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acre of potatoes ALLEN HOPKINS amount automobile b₁ b₂ baseball Brown oak bushels cent of increase circle circular graph circumference column decimal fraction decimal point discount Dividing each member Draw the parallelogram Estimate EXAMPLE express Find its area Find the area Find the cost Find the distance Find the number Find the ratio Find the sum Find the total floor area following table formula height or altitude hundred include an angle line-graphs lot of land Mahogany marked price method miles per hour Multiplying each member nearest hundredth nearest tenth nearest thousandth number of square number value Overcoat partial product pounds protractor pupils put check rectangle rectangular graphs ruler scale of 100 Sideboard sold SOLUTION Solve the equation square feet square foot square inches square mile square yard straight line supplementary angles trapezoid triangle WILLIAM GENTLEMAN words write zoid ཋནཉྩ
Δημοφιλή αποσπάσματα
Σελίδα 142 - 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 91 - 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 141 - 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 46 - LINEAR MEASURE 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5£ yards, or 16| feet = 1 rod (rd.) 320 rods . = 1 mile (mi.) 1 mi.
Σελίδα 141 - 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. mi.) Cubic Measure 1728 cubic inches (cu.
Σελίδα 117 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center.
Σελίδα 18 - Count the total number of digits to the right of the decimal points in the numbers you are multiplying.
Σελίδα 117 - The diameter of a circle is a straight line drawn through the center and terminated by the circumference.
Σελίδα 142 - ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference.