The Elements of geometry [Euclid book 1-3] in general terms, with notes &c. &c. Also a variety of problems & theorems. [Ed. by J. Luby. With] The elements of plane geometry, comprising the definitions of the fifth book, and the sixth book in general terms, with notes [&c.] by J. Luby [described as] Pt. 31821 |
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Αποτελέσματα 1 - 5 από τα 52.
Σελίδα 7
... common side and assumed portion in the other , and also the bases or third sides = ( viz . sides of equilat . trian . ) .. the angles con- tained by the common side and assumed portions are = ( per prop 8 , ) which are the parts of ...
... common side and assumed portion in the other , and also the bases or third sides = ( viz . sides of equilat . trian . ) .. the angles con- tained by the common side and assumed portions are = ( per prop 8 , ) which are the parts of ...
Σελίδα 9
... common supplement to two right angles . PROP . 16 , THEOR . If one side of a triangle be produced the external angle is greater than either of the internal opposite angles . For connect with the opposite angle the middle point , of the ...
... common supplement to two right angles . PROP . 16 , THEOR . If one side of a triangle be produced the external angle is greater than either of the internal opposite angles . For connect with the opposite angle the middle point , of the ...
Σελίδα 18
... common to both triangles , .. the other sides are res- pectively ( prop 26 , ) viz . the opposite sides ; and the triangles themselves are , and the opposite angles which are subtended by the diagonal are , also the other pair of ...
... common to both triangles , .. the other sides are res- pectively ( prop 26 , ) viz . the opposite sides ; and the triangles themselves are , and the opposite angles which are subtended by the diagonal are , also the other pair of ...
Σελίδα 19
... common base ) .. the triangles are ; if one of those triangles be taken from the whole figure it will leave one par , and the other being taken away leaves the other par . which parallelograms must .. be . PROP . 36 , THEOR ...
... common base ) .. the triangles are ; if one of those triangles be taken from the whole figure it will leave one par , and the other being taken away leaves the other par . which parallelograms must .. be . PROP . 36 , THEOR ...
Σελίδα 25
... common extremity as centre and the greater as radius , describe a circle and from the other extremity of produced part erect a per- pendicular to meet its circumference , the of this per- pendicular is to the required difference ...
... common extremity as centre and the greater as radius , describe a circle and from the other extremity of produced part erect a per- pendicular to meet its circumference , the of this per- pendicular is to the required difference ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
adjacent ANALYSIS angle ABC angle contained arches bisecting line chord circumference connecting line conterminous dedu describe a circle diagonal diameter directum divided draw a right drawn line equiangular equilateral triangle evident external angle extremity given angle given circle given in position given line given point given ratio given right line given side gonal half the given hypothenuse inscribed intercept intersect isosceles triangle less lesser let fall line bisecting lines be drawn magnitude mean proportional meet middle point opposite angle opposite side parallelogram pass pendicular perpen perpendicular point of bisection point of contact point of section polygons PORISMS PROB PROP radii radius rect rectangle required triangle right angled triangle right line drawn segts semicircle semiperimeter side subtending square Suppose tangent THEOR triangle ABC vertex vertical angle whole line
Δημοφιλή αποσπάσματα
Σελίδα 128 - The angle at the centre of a circle is double the angle at the circumference on the same arc.
Σελίδα 26 - IF three straight lines be proportionals, the rectangle contained by the extremes is equal to the square of the mean ; and if the rectangle contained by the extremes be equal to the square of the mean, the three straight lines are proportionals.
Σελίδα 111 - In any triangle, the square of the side subtending an acute angle is less than the sum of the squares of the...
Σελίδα 4 - A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less.
Σελίδα 98 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Σελίδα 2 - Convertendo ; when it is .concluded, that if there be four magnitudes proportional, the first is to the sum or difference of the first and second, as the third is to the sum or difference of the third and fourth.
Σελίδα 20 - DE : but equal triangles on the same base and on the same side of it, are between the same parallels ; (i.
Σελίδα 116 - If any two points be taken in the circumference of a circle, the straight line which joins them shall fall within the circle.
Σελίδα 156 - The sum of the squares of the sides of any quadrilateral is equal to the sum of the squares of the diagonals plus four times the square of the line joining the middle points of the diagonals.
Σελίδα 28 - Similar triangles are to one another in the duplicate ratio of their homologous sides.