Plane GeometryCharles E. Merrill Company, 1904 - 372 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 50.
Σελίδα 32
... vertices of a triangle are the vertices of the angles of the triangle . B 83. An exterior angle of a triangle is an angle formed by one side and by another side produced , as the angle BCD . With reference to the angle BCD , the angles ...
... vertices of a triangle are the vertices of the angles of the triangle . B 83. An exterior angle of a triangle is an angle formed by one side and by another side produced , as the angle BCD . With reference to the angle BCD , the angles ...
Σελίδα 40
... leg shall be equal to a given line ; make the same con- struction below the given line and join the vertices of the two isosceles triangles . PROPOSITION X. THEOREM ( CONVERSE OF PROP . IX ) 40 BOOK I. PLANE GEOMETRY.
... leg shall be equal to a given line ; make the same con- struction below the given line and join the vertices of the two isosceles triangles . PROPOSITION X. THEOREM ( CONVERSE OF PROP . IX ) 40 BOOK I. PLANE GEOMETRY.
Σελίδα 42
... vertices . Prove that the line joining the vertices bisects the vertex angles , and also bisects the base at right angles . Ex . 2. Hence , at any point in a given straight line , construct exactly by use of ruler and compasses a ...
... vertices . Prove that the line joining the vertices bisects the vertex angles , and also bisects the base at right angles . Ex . 2. Hence , at any point in a given straight line , construct exactly by use of ruler and compasses a ...
Σελίδα 53
... vertices . What truth is illustrated by this figure ? Ex . 7. Draw a straight line and locate a point 2 inches from it . By the use of loci , locate the points which are 11⁄2 inches from the given line and at the same distance from the ...
... vertices . What truth is illustrated by this figure ? Ex . 7. Draw a straight line and locate a point 2 inches from it . By the use of loci , locate the points which are 11⁄2 inches from the given line and at the same distance from the ...
Σελίδα 62
... vertices ( 4 B and DEF ) , or both pairs in opposite directions ( 4 B and GEH ) ; and that they are supplementary if one pair extends in the same direction , and the other pair in opposite directions ( B and DEG ) . The directions of ...
... vertices ( 4 B and DEF ) , or both pairs in opposite directions ( 4 B and GEH ) ; and that they are supplementary if one pair extends in the same direction , and the other pair in opposite directions ( B and DEG ) . The directions of ...
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...