Plane GeometryAmerican Book Company, 1906 - 254 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 65.
Σελίδα 79
... INSCRIBED ANGLE CIRCUMFERENCES SEMICIRCLES ARC A secant is a straight line cutting the circumference in two points . A chord is a straight line whose extremities are in the cir- cumference . A tangent is a straight line which touches ...
... INSCRIBED ANGLE CIRCUMFERENCES SEMICIRCLES ARC A secant is a straight line cutting the circumference in two points . A chord is a straight line whose extremities are in the cir- cumference . A tangent is a straight line which touches ...
Σελίδα 80
... inscribed angle is an angle whose vertex is on the cir- cumference and whose sides are chords . 196. An arc is any part of a circumference . A semicircumference is an arc equal to half a circum- ference . A quadrant is an arc equal to ...
... inscribed angle is an angle whose vertex is on the cir- cumference and whose sides are chords . 196. An arc is any part of a circumference . A semicircumference is an arc equal to half a circum- ference . A quadrant is an arc equal to ...
Σελίδα 91
... inscribed if the vertices of the poly- in a circle , or a circle is cir - gon are in the circumference , cumscribed about a polygon ) and its sides are chords . A polygon is circumscribed about a circle , or a BOOK II 91.
... inscribed if the vertices of the poly- in a circle , or a circle is cir - gon are in the circumference , cumscribed about a polygon ) and its sides are chords . A polygon is circumscribed about a circle , or a BOOK II 91.
Σελίδα 92
... inscribed in a polygon if the sides of the polygon are all tangent to the circle . A common tangent to two circles is a line tangent to both of them . The perimeter of a figure is the sum of all its bounding lines . EXERCISES IN DRAWING ...
... inscribed in a polygon if the sides of the polygon are all tangent to the circle . A common tangent to two circles is a line tangent to both of them . The perimeter of a figure is the sum of all its bounding lines . EXERCISES IN DRAWING ...
Σελίδα 93
... inscribed trapezoid is isosceles . [ Use 233. ] 15. The line joining the points of contact of two parallel tangents passes through the center . [ Draw radii to points of contact . Etc. ] 16. A chord is parallel to the tangent at the ...
... inscribed trapezoid is isosceles . [ Use 233. ] 15. The line joining the points of contact of two parallel tangents passes through the center . [ Draw radii to points of contact . Etc. ] 16. A chord is parallel to the tangent at the ...
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"