Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry and Mensuration : Accompanied with All the Necessary Logarithmic and Trigonometric TablesD. Appleton, 1860 - 443 σελίδες |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 6
... equal . B F с E D A line passing through the centre and ter- minating in both directions by the circumference , is called a diameter . All diameters of the same circle are equal , since each is twice the radius . THE ANGLE . C 8. When ...
... equal . B F с E D A line passing through the centre and ter- minating in both directions by the circumference , is called a diameter . All diameters of the same circle are equal , since each is twice the radius . THE ANGLE . C 8. When ...
Σελίδα 10
... equal to two right angles , they are called Supplementary angles ; each being the supplement of the other . XVII . A ... equal , is called an equilateral triangle ; one having two sides equal , is called an isosceles triangle ; and one ...
... equal to two right angles , they are called Supplementary angles ; each being the supplement of the other . XVII . A ... equal , is called an equilateral triangle ; one having two sides equal , is called an isosceles triangle ; and one ...
Σελίδα 11
... equal to the same thing , are equal to each other . II . When equals are added to equals , the wholes are equal . III . When equals are taken from equals , the remainders are equal . IV . When equals are added to unequals , the wholes ...
... equal to the same thing , are equal to each other . II . When equals are added to equals , the wholes are equal . III . When equals are taken from equals , the remainders are equal . IV . When equals are added to unequals , the wholes ...
Σελίδα 13
... equal to the same thing , are equal to each other . II . When equals are added to equals , the wholes are equal . III . When equals are taken from equals , the remainders are equal . IV . When equals are added to unequals , the wholes ...
... equal to the same thing , are equal to each other . II . When equals are added to equals , the wholes are equal . III . When equals are taken from equals , the remainders are equal . IV . When equals are added to unequals , the wholes ...
Σελίδα 14
... equal . A G B For , drawing FG perpendicular to AB , we see that the angle AFC exceeds the right angle AFG , by the angle CFG ; while the angle BFC is less than the right angle BFG by the same angle CFG . Hence , the sum of AFC , BFC is ...
... equal . A G B For , drawing FG perpendicular to AB , we see that the angle AFC exceeds the right angle AFG , by the angle CFG ; while the angle BFC is less than the right angle BFG by the same angle CFG . Hence , the sum of AFC , BFC is ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
a+b+c ABCD altitude angles equal apothem base bisecting centre chord circle circumference circumscribed circle cone consequently corresponding cosec Cosine Cotang cubic cylinder decimal denote diameter dicular distance divided draw drawn equally distant equation exterior angles feet figure frustum given angle given line gives greater half hence hypotenuse inches included angle inscribed circle intersection logarithm measure middle point multiplied number of sides opposite parallel parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN polyedral angle polyedron prism PROBLEM proportion pyramid quadrant quadrilateral radii radius ratio rectangle regular polygon respectively equal right angles right-angled triangle Scholium secant similar similar triangles Sine slant height solid sphere spherical triangle square straight line subtract suppose surface Tang Tangent THEOREM three sides triangle ABC volume
Δημοφιλή αποσπάσματα
Σελίδα 113 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 31 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Σελίδα 112 - ALSO THE AREA OF THE TRIANGLE FORMED BY THE CHORD OF THE SEGMENT AND THE RADII OF THE SECTOR. THEN...
Σελίδα 33 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Σελίδα 80 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. A D A' Hyp. In triangles ABC and A'B'C', To prove AABC A A'B'C' A'B' x A'C ' Proof. Draw the altitudes BD and B'D'.
Σελίδα 139 - If a straight line is perpendicular to each of two straight lines at their point of intersection, it is perpendicular to the plane of those lines.
Σελίδα 15 - The sum of all the angles of a polygon is equal to twice as many right angles as the polygon has sides, less two.
Σελίδα 174 - The radius of a sphere is a straight line, drawn from the centre to any point of the...
Σελίδα 107 - ... similar figures are to each other as the squares of their homologous sides.
Σελίδα 180 - Every section of a sphere, made by a plane, is a circle.