Plane GeometryAmerican Book Company, 1906 - 254 sivua |
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Yleiset termit ja lausekkeet
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
Suositut otteet
Sivu 42 - The measure of an exterior angle of a triangle is equal to the sum of the measures of the two remote interior angles.
Sivu 148 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.
Sivu 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.
Sivu 230 - An equiangular polygon inscribed in a circle is regular (if the number of its sides is odd) . 3.
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 14 - The straight lines are called the sides of the triangle, and their points of intersection are the vertices of the triangle.
Sivu 145 - A line parallel to one side of a triangle divides the other two sides proportionally.
Sivu 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"