Plane GeometryCharles E. Merrill Company, 1904 - 372 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 40.
Σελίδα 66
... trapezoid is a quadrilateral which has two , and only two , of its sides parallel . 147. A parallelogram is a quadrilaterál whose opposite sides are parallel . Trapezium Trapezoid Parallelogram 148. A rhomboid is a parallelogram whose ...
... trapezoid is a quadrilateral which has two , and only two , of its sides parallel . 147. A parallelogram is a quadrilaterál whose opposite sides are parallel . Trapezium Trapezoid Parallelogram 148. A rhomboid is a parallelogram whose ...
Σελίδα 67
... trapezoid are its two parallel sides . The legs of a trapezoid are the sides which are not parallel . The altitude of a trapezoid is the perpendicular distance be- tween the bases . The median of a trapezoid is the line join- ing the ...
... trapezoid are its two parallel sides . The legs of a trapezoid are the sides which are not parallel . The altitude of a trapezoid is the perpendicular distance be- tween the bases . The median of a trapezoid is the line join- ing the ...
Σελίδα 79
... trapezoid is parallel to the bases and equal to one - half their sum . A G D Given the trapezoid ABCD , E the midpoint of the leg AB , and F the midpoint of the leg CD . To prove that a line joining E and F is || AD and BC and ( AD + BC ) ...
... trapezoid is parallel to the bases and equal to one - half their sum . A G D Given the trapezoid ABCD , E the midpoint of the leg AB , and F the midpoint of the leg CD . To prove that a line joining E and F is || AD and BC and ( AD + BC ) ...
Σελίδα 93
... AB = AD , and BC = CD ; prove B = LD . [ SUG . Draw AC , etc. ] Ex . 2. Prove that the angles at the base of an isosceles trapezoid are equal . B A Ex . 3. State and prove the converse of EXERCISES . 93 AUXILIARY LINES.
... AB = AD , and BC = CD ; prove B = LD . [ SUG . Draw AC , etc. ] Ex . 2. Prove that the angles at the base of an isosceles trapezoid are equal . B A Ex . 3. State and prove the converse of EXERCISES . 93 AUXILIARY LINES.
Σελίδα 94
... trapezoid equals one - half the sum of the two bases by drawing a line through the midpoint of one leg of the trapezoid , parallel to the other leg and meeting one base and the other base produced . B Ex . 10. Lines joining the ...
... trapezoid equals one - half the sum of the two bases by drawing a line through the midpoint of one leg of the trapezoid , parallel to the other leg and meeting one base and the other base produced . B Ex . 10. Lines joining the ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acute angle adjacent angles altitude apothem base bisects chord circumference circumscribed circumscribed circle coincide construct a square Construct a triangle denoted diagonal diameter divided draw a line equal angles equal circles equiangular polygon equidistant equilateral triangle EXERCISES exterior angle figure Find the area Find the radius geometric given angle given circle given line given point given triangle greater Hence homologous sides hypotenuse inscribed angle inscribed polygon intersect isosceles trapezoid isosceles triangle LAOB length Let the pupil line drawn median method midpoint number of sides parallel lines parallelogram perimeter plane PROBLEM produced Prop pupil supply Q. E. D. Ex Q. E. D. PROPOSITION quadrilateral radii ratio rectangle regular inscribed regular polygon rhombus right angles right triangle secant segments tangent THEOREM third side trapezoid triangle ABC vertex vertex angle vertices
Δημοφιλή αποσπάσματα
Σελίδα 82 - Prove analytically that the medians of a triangle meet in a point. 70. Prove analytically that the perpendiculars from the vertices of a triangle to the opposite sides meet in a point.
Σελίδα 88 - The median to the base of an isosceles triangle is perpendicular to the base.
Σελίδα 103 - PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center.
Σελίδα 211 - If from a point without a circle a secant and a tangent are drawn, the tangent is the mean proportional between the whole secant and its external segment.
Σελίδα 78 - The line joining the midpoints of two sides of a triangle is parallel to the third side and equal to one-half of it.
Σελίδα 103 - A chord is a straight line joining the extremities of an arc.
Σελίδα 47 - If two triangles have two sides of one equal respectively to two sides of the other...
Σελίδα 114 - In the same circle or in equal circles, if two chords are unequal, they are unequally distant from the center, and the greater chord is at the less distance.
Σελίδα 315 - Find the area of a regular hexagon inscribed in a circle whose diameter is twelve inches.
Σελίδα 241 - If two triangles have an angle of one equal to an angle of the other, and...