Plane GeometryCharles E. Merrill Company, 1904 - 372 σελίδες |
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Αποτελέσματα 1 - 5 από τα 81.
Σελίδα 33
... altitude of a triangle is the perpendicular from the vertex to the base or base extended , as CD . B 87. In an ... Altitudes , bisectors , medians . In any triangle , any side may be taken as the base ; hence the altitudes of a triangle ...
... altitude of a triangle is the perpendicular from the vertex to the base or base extended , as CD . B 87. In an ... Altitudes , bisectors , medians . In any triangle , any side may be taken as the base ; hence the altitudes of a triangle ...
Σελίδα 46
... altitude of which falls on the base produced . What kind of a triangle is this ? Ex . 2. Draw a triangle the altitude of which coincides with one side . What kind of a triangle is this ? Ex . 3. By exact use of the ruler and com- passes ...
... altitude of which falls on the base produced . What kind of a triangle is this ? Ex . 2. Draw a triangle the altitude of which coincides with one side . What kind of a triangle is this ? Ex . 3. By exact use of the ruler and com- passes ...
Σελίδα 67
... altitude of a parallelogram is the perpendicular dis- tance between the bases , as EF . 153. The bases of a trapezoid are its two parallel sides . The legs of a trapezoid are the sides which are not parallel . The altitude of a ...
... altitude of a parallelogram is the perpendicular dis- tance between the bases , as EF . 153. The bases of a trapezoid are its two parallel sides . The legs of a trapezoid are the sides which are not parallel . The altitude of a ...
Σελίδα 72
... . 64 . Art . 47 . Q. E. D. 163. COR . Two rectangles which have equal bases and equal altitudes are equal . Ex . Construct exactly an angle of 30 ° , POLYGONS 164. A polygon is a portion of a plane 72 BOOK I. PLANE GEOMETRY.
... . 64 . Art . 47 . Q. E. D. 163. COR . Two rectangles which have equal bases and equal altitudes are equal . Ex . Construct exactly an angle of 30 ° , POLYGONS 164. A polygon is a portion of a plane 72 BOOK I. PLANE GEOMETRY.
Σελίδα 85
... altitudes from the extremities of the base of an isosceles triangle upon the legs of the triangle divide the figure into how many pairs of equal triangles ? Prove this . Ex . 11. In a given quadrilateral two adjacent sides are equal and ...
... altitudes from the extremities of the base of an isosceles triangle upon the legs of the triangle divide the figure into how many pairs of equal triangles ? Prove this . Ex . 11. In a given quadrilateral two adjacent sides are equal and ...
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...