Plane GeometryAmerican Book Company, 1899 - 242 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 63.
Σελίδα 9
... boundary of a surface is called a Line . A line has only one dimension , length . It has neither breadth nor thickness . The edges of a cube are lines . 6. The limits , or extremities , of a line 9 GEOMETRY Preliminary Definitions.
... boundary of a surface is called a Line . A line has only one dimension , length . It has neither breadth nor thickness . The edges of a cube are lines . 6. The limits , or extremities , of a line 9 GEOMETRY Preliminary Definitions.
Σελίδα 10
William James Milne. 6. The limits , or extremities , of a line are called Points . A point has position only . It has neither length , breadth , nor thickness . The dots and lines made by a pencil or crayon are not geometrical points ...
William James Milne. 6. The limits , or extremities , of a line are called Points . A point has position only . It has neither length , breadth , nor thickness . The dots and lines made by a pencil or crayon are not geometrical points ...
Σελίδα 15
... extremities fixed at 0 , moves from a position coincident with 04 to the position indicated by OB . By this motion the angle AOB has been generated . When the rotating line OB has passed one half the distance from OA around to OA , the ...
... extremities fixed at 0 , moves from a position coincident with 04 to the position indicated by OB . By this motion the angle AOB has been generated . When the rotating line OB has passed one half the distance from OA around to OA , the ...
Σελίδα 16
... extremities of both coincide , the lines are equal . If an angle is conceived to be placed upon another angle so that their vertices coincide and their sides take the same directions , respectively , the angles are equal . If any figure ...
... extremities of both coincide , the lines are equal . If an angle is conceived to be placed upon another angle so that their vertices coincide and their sides take the same directions , respectively , the angles are equal . If any figure ...
Σελίδα 41
... extremities , shall be equal to the corresponding parts of the other . How do the triangles compare ? What parts are equal ? 2. Under what conditions are two triangles equal ? Theorem . Two triangles are equal , if a side and two ...
... extremities , shall be equal to the corresponding parts of the other . How do the triangles compare ? What parts are equal ? 2. Under what conditions are two triangles equal ? Theorem . Two triangles are equal , if a side and two ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
AABC AB² ABCD AC² adjacent angles angle formed angles are equal apothem arc intercepted base and altitude BC² bisector bisects CD² central angle chord circle whose center circumference circumscribing circle compare in length Construct a square Construct a triangle Data diagonals diameter divided equal circles equidistant equilateral triangle exterior extremities FGHJK given line given parallelogram given point given triangle Hence homologous sides hypotenuse inscribed angle interior angles intersecting isosceles trapezoid isosceles triangle line drawn measured by arc meet middle point MILNE'S number of sides opposite sides parallel lines perimeter perpendicular produced proportion prove Q.E.D. Proposition quadrilateral radii radius ratio rect rectangle formed regular inscribed regular polygon rhombus right angle right triangle secant similar polygons similar triangles square equivalent subtended tangent Theorem third side transversal trapezoid triangle ABC triangle equivalent triangle is equal vertex vertical angle
Δημοφιλή αποσπάσματα
Σελίδα 67 - The line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of the third side.
Σελίδα 105 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 46 - Any exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Σελίδα 74 - If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the transversal is equal to two right angles, (p.
Σελίδα 64 - From 56 and 57 the pupils should learn that two triangles are equal in every respect (a) when two sides and the included angle of one are equal to two sides and the included angle of the other...
Σελίδα 53 - If two angles of a triangle are unequal, the sides opposite are unequal, and the greater side is opposite the greater angle.
Σελίδα 61 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Σελίδα 126 - DE and on the same side of it ; but equal triangles on the same base, and on the same side of it, are between the same parallels ; [I.
Σελίδα 90 - Theorem. In the same circle, or in equal circles, equal chords are equally distant from the center; conversely, chords equally distant from the center are equal.
Σελίδα 149 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.