First book of mathematicsA. & C. Black, 1872 - 124 σελίδες |
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Σελίδα 45
... multiply the sides , and extract the square root of the product . This will give the length of the side of a square equal to a rectangle under the given sides . Thus , let the sides of a rectangle be respectively 4 and 25. The product ...
... multiply the sides , and extract the square root of the product . This will give the length of the side of a square equal to a rectangle under the given sides . Thus , let the sides of a rectangle be respectively 4 and 25. The product ...
Σελίδα 72
... multiplying them together . 22 is the product of 11 , 4 , and 1 . The factors of a quantity or of a product are any quantities which , multiplied by one another , produce it . 8 , 3 , and 1 are factors of 24 ; 12 and 3 are factors of 36 ...
... multiplying them together . 22 is the product of 11 , 4 , and 1 . The factors of a quantity or of a product are any quantities which , multiplied by one another , produce it . 8 , 3 , and 1 are factors of 24 ; 12 and 3 are factors of 36 ...
Σελίδα 73
... MULTIPLICATION . — The sign × , read multiplied by ( or , times ) , means that the quantities be- tween which it is placed are to be multiplied , the one by the other ; the whole expresses their product . 7 x 9 , means 7 times 9 , or 9 ...
... MULTIPLICATION . — The sign × , read multiplied by ( or , times ) , means that the quantities be- tween which it is placed are to be multiplied , the one by the other ; the whole expresses their product . 7 x 9 , means 7 times 9 , or 9 ...
Σελίδα 74
... multiplication being understood when the letters , or num- bers and letters , are simply placed side by side . In short , in algebra , we denote the product of any factors by setting them side by side . Examples . - 3a means— 3 multiplied ...
... multiplication being understood when the letters , or num- bers and letters , are simply placed side by side . In short , in algebra , we denote the product of any factors by setting them side by side . Examples . - 3a means— 3 multiplied ...
Σελίδα 75
... multiplying 4 once by 4 ( 4 × 4 ) , 4 is taken twice as a factor . The product may be written 42 , and is then called the second power or square of 4. The small 2 is the index or exponent of the second power of any quantity . When 4 is ...
... multiplying 4 once by 4 ( 4 × 4 ) , 4 is taken twice as a factor . The product may be written 42 , and is then called the second power or square of 4. The small 2 is the index or exponent of the second power of any quantity . When 4 is ...
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20 feet ABCD acute angle adjacent angles adjacent sides algebra altitude angle equal angular points Ans.-1 acre arc cutting called central angle centre circumference contained denotes describe an arc diagonal divide divisor drawn equal angles equal sides equation equidistant equilateral triangle expressed extract the square ference Find the area Find the length foot formula geometrical truth given angle given line given point given square given straight line given triangle gonal hexagon hypotenuse inches inscribed line joining meet middle point multiply Nonagon Note number of degrees number of sides opposite angles opposite side parallel lines parallelogram pendicular perpendicular plane figure point of bisection poles produced proportion quadrilateral radius equal ratio rectangle rectilineal figure regular polygon rhombus right angles right-angled triangle rood rule sides equal square equal square feet square root square yards subtracted surface tangent trapezium trapezoid unknown quantity
Δημοφιλή αποσπάσματα
Σελίδα 5 - The circumference of every circle is supposed to be divided into...
Σελίδα 48 - UPON a given straight line to describe a segment of a circle containing an angle equal to a given rectilineal angle.
Σελίδα 3 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 39 - Parallelograms on the same base, and between the same parallels, are equal to one another.
Σελίδα 59 - Quadrilateral ; of five sides a Pentagon ; of six sides a Hexagon ; of seven sides a Heptagon ; of eight sides an Octagon ; of nine sides a Nonagon ; of ten sides a Decagon ; of twelve sides a Dodecagon.
Σελίδα 112 - Polygons are those which have more than four sides. They receive particular names from the number of their sides ; thus a pentagon has five sides, a hexagon has six sides, a heptagon seven, an octagon eight, a nonagon nine, a decagon ten, an undecagon eleven, and a dodecagon has twelve sides.
Σελίδα 118 - Divide the area by . 7854 and extract the square root of the quotient.
Σελίδα 82 - To rearrange an equation you can • add the same quantity to both sides • subtract the same quantity from both sides • multiply both sides by the same quantity • divide both sides by the same quantity.
Σελίδα 107 - Find the area of a field in the form of a trapezoid whose altitude is 120 m and whose parallel sides are 130 m and 180 m.
Σελίδα 4 - It is a line every point of which is at the same distance from a point within it called the centre.