The Elements of Plane and Solid Geometry ...D. Van Nostrand Company, 1890 - 393 σελίδες |
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Αποτελέσματα 1 - 5 από τα 85.
Σελίδα 6
... sides , and is not altered by changing the length of its sides . 18. Angles are equal when they can be placed one upon the other so that the vertex and sides of the one can be made to coincide with the vertex and sides of the other ...
... sides , and is not altered by changing the length of its sides . 18. Angles are equal when they can be placed one upon the other so that the vertex and sides of the one can be made to coincide with the vertex and sides of the other ...
Σελίδα 31
... side or on opposite sides of the straight line joining the vertices . Thus AB and ED , and also BC and EF , are in the same direction because they lie on the same side of BE . But BA and EH , and also BC and EM , are in opposite ...
... side or on opposite sides of the straight line joining the vertices . Thus AB and ED , and also BC and EF , are in the same direction because they lie on the same side of BE . But BA and EH , and also BC and EM , are in opposite ...
Σελίδα 33
... sides are equal . 88. An isosceles triangle is one which has two equal sides . 89. A scalene triangle is one which has three unequal sides . 90. A right - angled triangle is one which has a right angle . The side opposite the right ...
... sides are equal . 88. An isosceles triangle is one which has two equal sides . 89. A scalene triangle is one which has three unequal sides . 90. A right - angled triangle is one which has a right angle . The side opposite the right ...
Σελίδα 34
... side upon which it is supposed to stand . Either side may be taken as the base ; but in an isosceles triangle the side which is not one of the equal sides is called the base . 94. When one side of a triangle has been taken as the base ...
... side upon which it is supposed to stand . Either side may be taken as the base ; but in an isosceles triangle the side which is not one of the equal sides is called the base . 94. When one side of a triangle has been taken as the base ...
Σελίδα 38
... sides of the one are equal respectively to the three sides of the other . Hyp . Let ABC , DEF be = two As having AB DE , AC = DF , BC EF . To prove △ ABC = A DEF . Proof . Apply the △ ABC to the A DEF so that the side AB shall ...
... sides of the one are equal respectively to the three sides of the other . Hyp . Let ABC , DEF be = two As having AB DE , AC = DF , BC EF . To prove △ ABC = A DEF . Proof . Apply the △ ABC to the A DEF so that the side AB shall ...
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Άλλες εκδόσεις - Προβολή όλων
ELEMENTS OF PLANE & SOLID GEOM Edward a. (Edward Albert) 1845 Bowser Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
ELEMENTS OF PLANE & SOLID GEOM Edward a. (Edward Albert) 1845 Bowser Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD adjacent angles altitude angles are equal base bisect bisector centre chord circumference circumscribed coincide cone of revolution Cons construct cylinder diagonals diameter diedral angle distance divided draw equally distant equilateral triangle equivalent EXERCISES exterior angle faces feet Find the area Find the volume frustum given circle given line given point given straight line homologous homologous sides hypotenuse inches intersection isosceles triangle lateral area lateral edges Let ABC meet middle point number of sides parallel parallelogram parallelopiped perimeter perpendicular plane MN polyedron prism produced Proposition Proposition 13 prove Proof pyramid quadrilateral radii radius ratio rectangle rectangular parallelopiped regular inscribed regular polygon right angles segment similar slant height sphere spherical polygon spherical triangle square surface symmetrical tangent tetraedron Theorem triangle ABC triangular prism triedral vertex
Δημοφιλή αποσπάσματα
Σελίδα 74 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Σελίδα 188 - Two triangles having 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.
Σελίδα 45 - If two triangles have two sides of the one equal respectively to two sides of the other, but the included angle of the first greater than the included angle of the second, then the third side of the first is greater than the third side of the second. Hyp. In A ABC and A'B'C' AB = A'B'; AC = A'C'; ZA>ZA'.
Σελίδα 137 - Terms of the proportion. The first and fourth terms are called the Extremes, and the second and third the Means.
Σελίδα 12 - AXIOMS. 1. Things which are equal to the same thing are equal to each other. 2. If equals be added to equals, the sums will be equal.
Σελίδα 57 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
Σελίδα 334 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 253 - Equal oblique lines from a point to a plane meet the plane at equal distances from the foot of the perpendicular ; and of two unequal oblique lines the greater meets the plane at the greater distance from the foot of the perpendicular.
Σελίδα 378 - The circumferences of the sections made by the planes are called the bases of the zone, and the distance between the planes is the altitude of the zone.