Plane GeometryAmerican Book Company, 1906 - 254 σελίδες |
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Αποτελέσματα 1 - 5 από τα 58.
Σελίδα 32
... sides determine the bisector of the angle . ( See 80 and 5. ) Ex . Describe the path of a moving point which shall be equally dis- tant from two intersecting lines . 83. The altitude of a triangle is the perpendicular from 32 PLANE ...
... sides determine the bisector of the angle . ( See 80 and 5. ) Ex . Describe the path of a moving point which shall be equally dis- tant from two intersecting lines . 83. The altitude of a triangle is the perpendicular from 32 PLANE ...
Σελίδα 33
... altitude is also a median . [ Use 73. ] [ Use 58 , 27 , 16 , 17. ] ( b ) A median is also an altitude . ( c ) An altitude is also the bisector of an angle of the triangle . ( d ) The bisector of an angle is also an altitude . [ Use 52 ...
... altitude is also a median . [ Use 73. ] [ Use 58 , 27 , 16 , 17. ] ( b ) A median is also an altitude . ( c ) An altitude is also the bisector of an angle of the triangle . ( d ) The bisector of an angle is also an altitude . [ Use 52 ...
Σελίδα 46
... altitude of a trapezoid and of all kinds of parallelograms is the perpendicular distance between the bases . 130. THEOREM . The opposite sides of a parallelogram are equal . Given : LMOP . To Prove : LM = PO and LP = MO . Proof : Draw ...
... altitude of a trapezoid and of all kinds of parallelograms is the perpendicular distance between the bases . 130. THEOREM . The opposite sides of a parallelogram are equal . Given : LMOP . To Prove : LM = PO and LP = MO . Proof : Draw ...
Σελίδα 48
... altitude of one are equal respectively to the base and altitude of the other . ( See 139. ) 141. THEOREM . The diagonals of a rhombus ( or of a square ) are perpendicular to each other , bisect each other , and bisect the angles of the ...
... altitude of one are equal respectively to the base and altitude of the other . ( See 139. ) 141. THEOREM . The diagonals of a rhombus ( or of a square ) are perpendicular to each other , bisect each other , and bisect the angles of the ...
Σελίδα 52
... altitudes of an obtuse triangle and prolong them until they meet . Ex . 2. Prove that each of the three outer triangles in the figure of 150 is equal to △ ABC . Ex . 3. Prove that any altitude of △ RST is double the parallel alti ...
... altitudes of an obtuse triangle and prolong them until they meet . Ex . 2. Prove that each of the three outer triangles in the figure of 150 is equal to △ ABC . Ex . 3. Prove that any altitude of △ RST is double the parallel alti ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acute angle altitude angle adjoining angle formed apothem base bisector bisects central angle circles are tangent circumscribed circle construct a square construct a triangle described diagonals diameter divided Draw chord Draw radii equal angles equal circles equal sides equally distant equiangular polygon equilateral triangle exterior angle figure Find the area given circle given line given point given triangle Hence homologous sides hypotenuse inches inscribed angle isosceles trapezoid isosceles triangle line joining lines be drawn mean proportional measured by arc median meeting number of sides pair parallel parallelogram perimeter perpendicular point of contact produced Prove quadrilateral ratio rectangle regular polygon rhombus right angles right triangle secant segments similar polygons similar triangles square equivalent Statement straight line tangent THEOREM trapezoid triangle ABC triangles are equal vertex vertex-angle vertices
Δημοφιλή αποσπάσματα
Σελίδα 42 - The measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles.
Σελίδα 148 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.
Σελίδα 79 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Σελίδα 230 - An equiangular polygon inscribed in a circle is regular (if the number of its sides is odd) . 3.
Σελίδα 43 - 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 243 - Prove that the area of an inscribed regular hexagon is a mean proportional between the areas of the inscribed and the circumscribed equilateral triangles.
Σελίδα 49 - The line joining the mid-points of two sides of a triangle is parallel to the third side, and equal to half the third side.
Σελίδα 14 - The straight lines are called the sides of the triangle, and their points of intersection are the vertices of the triangle.
Σελίδα 145 - A line parallel to one side of a triangle divides the other two sides proportionally.
Σελίδα 186 - To construct a circle which shall pass through two given points and touch a given line. Given : Points A and B ; line CD. Construction: Draw line AB meeting CD ^ P"