A Course of Mathematics: In Two Volumes. Composed for the Use of the Royal Military Academy, Volume 1Longman, Orme & Company, 1841 - Mathematics |
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Page 22
... Circumference . Formerly , the subdivisions were carried on by sixties ; thus , the second was divided into 60 thirds , the third into 60 fourths , & c . At present , the second is more generally divided deci- mally into 10ths , 100ths ...
... Circumference . Formerly , the subdivisions were carried on by sixties ; thus , the second was divided into 60 thirds , the third into 60 fourths , & c . At present , the second is more generally divided deci- mally into 10ths , 100ths ...
Page 39
... circumference of the earth is about 25000 miles ; at what rate per hour is a person at the middle of its surface carried round , one whole rotation being made in 23 hours 56 minutes ? Ans . 1044 miles . 42. If a person drink 20 bottles ...
... circumference of the earth is about 25000 miles ; at what rate per hour is a person at the middle of its surface carried round , one whole rotation being made in 23 hours 56 minutes ? Ans . 1044 miles . 42. If a person drink 20 bottles ...
Page 291
... circumference are equal to one another . This point is called the centre of the circle . The circumference itself is often called a circle , and also sometimes the periphery . 16. The radius of a circle is a line drawn from the centre ...
... circumference are equal to one another . This point is called the centre of the circle . The circumference itself is often called a circle , and also sometimes the periphery . 16. The radius of a circle is a line drawn from the centre ...
Page 292
... circumference is sometimes called the Semicircle . 22. A sector is any part of a circle which is bounded by an arc , and two radii drawn to its extremities . 23. A quadrant , or quarter of a circle , is a sector having a quarter of the ...
... circumference is sometimes called the Semicircle . 22. A sector is any part of a circle which is bounded by an arc , and two radii drawn to its extremities . 23. A quadrant , or quarter of a circle , is a sector having a quarter of the ...
Page 294
... circumference of every circle is sup- posed to be divided into 360 equal parts called degrees ; and each degree into 60 minutes , each minute into 60 seconds , and so on . Hence a semicircle con- tains 180 degrees , and a quadrant 90 ...
... circumference of every circle is sup- posed to be divided into 360 equal parts called degrees ; and each degree into 60 minutes , each minute into 60 seconds , and so on . Hence a semicircle con- tains 180 degrees , and a quadrant 90 ...
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Common terms and phrases
ABCD algebraic altitude arithmetical arithmetical progression base bisect breadth centre chord circle circumference coefficients common cone cosec cube root decimal denominator denoted diagonal diameter difference dihedral angle distance divided divisor draw drawn equal equation equiangular EXAMPLES expression figure fraction frustum geometrical given line greater hence inscribed integer intersection join length less lineation logarithms mantissa measure meeting method multiplied parallel parallel ruler parallelogram perpendicular plane polygon prism PROBLEM proportional quantity quotient radii radius ratio rectangle Reduce right angles rule Scholium segment sides sine solid angle solution square root straight line subtraction tangent THEOREM third trapezium triangle ABC u₁ vulgar fraction Whence