First book of mathematicsA. & C. Black, 1872 - 124 σελίδες |
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Αποτελέσματα 1 - 5 από τα 19.
Σελίδα 93
... Find the hypotenuse of a right - angled triangle , the base being 11 feet 6 inches , the perpendicular 43 feet 4 inches . Ans . - 44 feet , 10 inches . MENSURATION OF SURFACES . 319. The extent of any surface is called its AREA , and ...
... Find the hypotenuse of a right - angled triangle , the base being 11 feet 6 inches , the perpendicular 43 feet 4 inches . Ans . - 44 feet , 10 inches . MENSURATION OF SURFACES . 319. The extent of any surface is called its AREA , and ...
Σελίδα 95
... find the area of a rectangle— Multiply the base by the adjacent side . The product will be the area , expressed in squares of the unit of length used . The rule is usually expressed , multiply the base by the altitude , the altitude of ...
... find the area of a rectangle— Multiply the base by the adjacent side . The product will be the area , expressed in squares of the unit of length used . The rule is usually expressed , multiply the base by the altitude , the altitude of ...
Σελίδα 96
... area , base , altitude - any two are known , the other may be found . From the equation— A = bp , dividing both sides by p , we have the formula— A p - b ; dividing by b , we get the formula- A = p ; whence the rule for- b Problem 3. — To ...
... area , base , altitude - any two are known , the other may be found . From the equation— A = bp , dividing both sides by p , we have the formula— A p - b ; dividing by b , we get the formula- A = p ; whence the rule for- b Problem 3. — To ...
Σελίδα 99
... Find the extent of outer surface of a cube or cubical box , of which each edge is 5 feet 6 inches . Ans . — 20 sq . yards , 1 sq . foot , 72 sq . inches . Note . - A cube has six square sides , equal to each ... Find the area of a square.
... Find the extent of outer surface of a cube or cubical box , of which each edge is 5 feet 6 inches . Ans . — 20 sq . yards , 1 sq . foot , 72 sq . inches . Note . - A cube has six square sides , equal to each ... Find the area of a square.
Σελίδα 101
... area of the rectangle is equal to 6 times the square root of the difference between the squares of d and b . 336 ... Find the area of a rectangular garden , of which the base is 200 links , the diagonal 250 links . Ans . - 1 rood , 8 sq ...
... area of the rectangle is equal to 6 times the square root of the difference between the squares of d and b . 336 ... Find the area of a rectangular garden , of which the base is 200 links , the diagonal 250 links . Ans . - 1 rood , 8 sq ...
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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.