The Elements of GeometryJ. Wiley & Sons, 1885 - 366 sider |
Inni boken
Resultat 1-5 av 55
Side 15
... Sides of the triangle . The side opposite A is named a ; the side opposite B is b . 81. An Interior Angle of a triangle is one between two of the sects . B B C a C a А A C C 82. An Exterior Angle of a triangle is one between either sect ...
... Sides of the triangle . The side opposite A is named a ; the side opposite B is b . 81. An Interior Angle of a triangle is one between two of the sects . B B C a C a А A C C 82. An Exterior Angle of a triangle is one between either sect ...
Side 22
... side of the transversal , the one exterior , the other interior , like I and a , are called Corresponding Angles . Two angles on opposite sides of the transversal , and both interior or both exterior , like 3 and a , are called ...
... side of the transversal , the one exterior , the other interior , like I and a , are called Corresponding Angles . Two angles on opposite sides of the transversal , and both interior or both exterior , like 3 and a , are called ...
Side 24
... sides equal . 116. A Scalene Triangle has no two sides equal . 117. When one side of a triangle has to be distinguished from the other two , it may be called the Base ; then that one of the vertices opposite ... opposite the right angle is ...
... sides equal . 116. A Scalene Triangle has no two sides equal . 117. When one side of a triangle has to be distinguished from the other two , it may be called the Base ; then that one of the vertices opposite ... opposite the right angle is ...
Side 26
George Bruce Halsted. THEOREM VII . 126. In an isosceles triangle the angles opposite the equal sides are equal . B ' B A C HYPOTHESIS . ABC a triangle , with AB = BC . CONCLUSION . X A = X C. A PROOF . Imagine the triangle ABC to be ...
George Bruce Halsted. THEOREM VII . 126. In an isosceles triangle the angles opposite the equal sides are equal . B ' B A C HYPOTHESIS . ABC a triangle , with AB = BC . CONCLUSION . X A = X C. A PROOF . Imagine the triangle ABC to be ...
Side 28
... sides of the one are equal respectively to the three sides of the other . N M I C B A HYPOTHESIS . Triangles ABC and ... opposite to the side on which B falls , and join BM . CASE I. When BM cuts the sect AC . C A M Then in △ ABM , because , ...
... sides of the one are equal respectively to the three sides of the other . N M I C B A HYPOTHESIS . Triangles ABC and ... opposite to the side on which B falls , and join BM . CASE I. When BM cuts the sect AC . C A M Then in △ ABM , because , ...
Innhold
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Vanlige uttrykk og setninger
ABCD alternate angles angles are equal angles equal angles opposite base bisect called chord circumcenter coincide common commutative law CONCLUSION construction COROLLARY diagonal diameter divided draw end point equal are congruent equal sects equiangular equilateral equivalent exterior angle figure given line given point given sect greater greatest common divisor hypothenuse HYPOTHESIS included angle inscribed inscribed angle intercepted interior isosceles triangle less line perpendicular magnitudes meet multiples number of sides pair parallelogram pass perigon perimeter perpendicular bisector plane MN PROOF proportional quadrilateral radii radius ratio rectangle rectangle contained regular polygon respectively equal right angle Rule of Inversion sect joining segment sphere spherical polygon spherical triangle square straight angle subtended surface symmetrical tangent tetrahedron THEOREM THEOREM VII transversal triangles are congruent vertex vertices
Populære avsnitt
Side 44 - If two triangles have two sides of one equal respectively to two sides of the other, but the included angle of the first triangle greater than the included angle of the second, then the third side of the first is greater than the third side of the second.
Side 112 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, may be equal to the square of the other part.
Side 24 - A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse.
Side 190 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Side 270 - BC with the same radius. Then a line through A touching this arc will be the required parallel. Or, use a straight edge and triangle.
Side 101 - If there be two straight lines, one of which is divided into any number of parts, the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line, and the several parts of the divided line.
Side 266 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Side 104 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced, together with the square...
Side 107 - In an obtuse-angled triangle the square on the side opposite the obtuse angle is greater than the sum of the squares on the other two sides by twice the rectangle contained by either side and the projection on it of the other side.