Plane and Solid GeometryAmerican Book Company, 1891 - 406 sider |
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Almindelige termer og sætninger
adjacent angles alternate angles angles equal apothem AXIOM base and altitude bisectrix BOOK chord circle whose center circumference circumscribed coincide Conclusion concurrent lines cone Construction Corollary cylinder Demonstration diagonals diameter dicular distance divided draw equal and parallel equal angles equal to half equally distant equivalent exterior angles extremities figure Find the locus frustum given line given point given straight line greater hypotenuse included angle intersection isosceles triangle lateral surface Let A B C line be drawn middle point MISCELLANEOUS EXERCISES number of sides oblique lines opposite angles opposite sides parallelogram parallelopiped perimeter perpen perpendicular prism PROP proportional PROPOSITION proved equal pyramid quadrilateral radii radius rectangle regular polygon rhombus right angles right-angled triangle Scholium SECTION segments similar slant height sphere spherical triangle square straight line drawn tangent Theorem third side three angles trapezoid triangle is equal trihedral angle vertex vertical angle
Populære passager
Side 176 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.
Side 287 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
Side 91 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
Side 135 - If a straight line be divided into any two parts, four times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.
Side 154 - A CIRCLE is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the center; as the figure ADB E.
Side 76 - America, but know that we are alive, that two and two make four, and that the sum of any two sides of a triangle is greater than the third side.
Side 293 - The square of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the other two sides.
Side 59 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
Side 60 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Side 139 - The sum of the squares of two sides of a triangle is equal to twice the square of half the third side increased by twice the square of the median upon that side.