The Elements of Plane Geometry ...W.S. Sonnenschein and Company, 1884 |
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Αποτελέσματα 1 - 5 από τα 24.
Σελίδα 24
... identically equal ; or they are said to be equal in all respects . DEF . 20. The area of a plane figure is the quantity of the plane surface inclosed by its boundary . DEF . 21. A plane rectilineal figure is a portion of a plane surface ...
... identically equal ; or they are said to be equal in all respects . DEF . 20. The area of a plane figure is the quantity of the plane surface inclosed by its boundary . DEF . 21. A plane rectilineal figure is a portion of a plane surface ...
Σελίδα 25
... equal ; the angle contained by those sides is called the vertical angle , the third side the base . THEOR . 5. If ... identically equal , and of the angles those are equal which are opposite to the equal sides . Let ABC , DEF be two ...
... equal ; the angle contained by those sides is called the vertical angle , the third side the base . THEOR . 5. If ... identically equal , and of the angles those are equal which are opposite to the equal sides . Let ABC , DEF be two ...
Σελίδα 26
... identically equal to it , Ax . I. the side BC equal to the side EF , the angle ACB to the angle DFF , and the angle ABC to the angle DEF . Q.E.D. Ex . 4. The straight line which bisects the vertical angle of an isosceles triangle ...
... identically equal to it , Ax . I. the side BC equal to the side EF , the angle ACB to the angle DFF , and the angle ABC to the angle DEF . Q.E.D. Ex . 4. The straight line which bisects the vertical angle of an isosceles triangle ...
Σελίδα 27
... equal to two angles of the other , each to each , and have likewise the sides between the vertices of these angles equal , then the triangles are identically equal , and of the sides those are equal which are opposite to the equal ...
... equal to two angles of the other , each to each , and have likewise the sides between the vertices of these angles equal , then the triangles are identically equal , and of the sides those are equal which are opposite to the equal ...
Σελίδα 28
... equal , the angles opposite to those sides are equal . Let ABC be a triangle having the side AB equal to the side AC : A A B ' then shall the angle ACB be equal to the angle ABC . Let A'B'C ' be a triangle identically equal to the ...
... equal , the angles opposite to those sides are equal . Let ABC be a triangle having the side AB equal to the side AC : A A B ' then shall the angle ACB be equal to the angle ABC . Let A'B'C ' be a triangle identically equal to the ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
AB is equal ABCD AC is equal adjacent angles adjoining sides alternate angle angle ABC angle ACB angle AFG angle BAC angle CAB angle DEF angle EDF angle FGD angles are equal angles equal BA and AC base BC bisectors bisects centre circle cutting Constr construct a triangle contrapositive diagonal equal angles equal to AC exterior angle find the locus Geometry given angle given point given straight line greater Hence hypotenuse identically equal interior opposite angle isosceles triangle less Let ABC meet middle point obtuse angle opposite sides parallel straight lines parallelogram perpendicular point equidistant Prob produced quadrilateral radius rectangle contained rectangle whose base right angles right-angled triangle shew side AB side AC side DF sides equal square on AC squares on AB straight angle straight line drawn Theorem trapezium triangle ABC triangle DEF triangles are identically twice the rectangle vertex
Δημοφιλή αποσπάσματα
Σελίδα 27 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 70 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 56 - ... is equal to twice as many right angles as the polygon
Σελίδα 101 - Prove that parallelograms on the same base and between the same parallels are equal in area.
Σελίδα 35 - Any two sides of a triangle are together greater than the third side.
Σελίδα 26 - The lines drawn from the extremities of the base of an isosceles triangle to the middle points of the opposite sides are equal.
Σελίδα 70 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Σελίδα 85 - The locus of a point at a given distance from a given point is the circumference described from the point with the given distance as radius.
Σελίδα 42 - 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 110 - Iff a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.