Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" The sum of two sides of a triangle is greater than the third side, and their difference is less than the third side. "
Plane and Spherical Trigonometry - Page 15
by Henry Nathan Wheeler - 1876 - 208 pages
Full view - About this book

Pelicotetics, Or, The Science of Quantity: An Elementary Treatise on Algebra ...

Archibald Sandeman - Algebra - 1868 - 500 pages
...EF whereof no adjoining two are in one straight line and AC AD AE AFbe joined the line ABC made up of two sides of a triangle is greater than the third side AC therefore to each putting CD ABCD>ACD but A CD either is AD to wit if AC CD be in one straight line...
Full view - About this book

The elementary geometry of the right line and circle

William Alexander Willock - Circle - 1875 - 196 pages
...other line is the hypothenuse of a right angled triangle, of which the perpendicular is a side. 7. The Sum of Two Sides of a Triangle is greater than the third side, and their Difference less. FIRST PART. — Let ACB be the triangle, and on AC produced let CD be equal...
Full view - About this book

The Elements of Plane Trigonometry

Henry Nathan Wheeler - Plane trigonometry - 1876 - 130 pages
...therefore proportional. e. The square on the hypothenuse of a right triangle is equal to the sum of the squares on the other two sides. /. In any triangle...direction, (v. § 14.) In Fig. 21, for example, FIG. 21. the angle B'AC =angle XOA, for both angles are measured in the positive (§ 14) direction, and...
Full view - About this book

Elementary Geometry: Congruent Figures

Olaus Henrici - Congruences (Geometry) - 1879 - 218 pages
...than that of ABC. (7) Prove that the three axes of symmetry of a regular triangle meet in a point. (8) The sum of two sides of a triangle is greater than the sum of the segments joining a point within the triangle to the end points of the third side. (9) The...
Full view - About this book

The School Journal, Volume 50

Education - 1895 - 794 pages
...in which most minds are respecting moral concepts. All learn that three times four is twelve, that the sum of two sides of a triangle is greater than the third side, butthat lying and stealing are wrong does not seem to be so easily reached. We attain to the belief...
Full view - About this book

A Text-book of Geometry

George Albert Wentworth - Geometry - 1888 - 264 pages
...lines, and angles, similarly situated in equal or similar figures, are called homologous. 137. THEOREM. The sum of two sides of a triangle is greater than the third side, and their difference is less than the third side. PROPOSITION XXIII. THEOREM. -/ 138. The sum of the...
Full view - About this book

Principles of Plane Geometry

James Wallace MacDonald - Geometry - 1894 - 76 pages
...base of a triangle ? a. What the altitude ? b. What are its medians ? Proposition XXV. A Theorem. 62. The sum of two sides of a triangle is greater than the third, and the difference is less. Proposition XXVI. A Theorem. 63. If two triangles have two sides and the...
Full view - About this book

Principles of Plane Geometry

James Wallace MacDonald - Geometry - 1889 - 80 pages
...base of a triangle ? a. What the altitude ? b. What are its medians ? Proposition XXV. A Theorem. 62. The sum of two sides of a triangle is greater than the third, and the difference is less. Proposition XXVI. A Theorem. 63. If two triangles have two sides and the...
Full view - About this book

Teachers' Manual for Teachers Using Arithmetic by Grades

John Tilden Prince - Arithmetic - 1894 - 254 pages
...are a review of previous work. 69 The conclusion in 1, after several similar experiments, is, that the sum of two sides of a triangle is greater than the third side. The two ways of finding by experiment the sum of the angles of a triangle are : (1) Cutting off the...
Full view - About this book

An Examination Manual in Plane Geometry

George Albert Wentworth, George Anthony Hill - Geometry - 1894 - 150 pages
...134. Corollary. The sum of two sides of a triangle is greater than the third side (108). 135. Theorem. The sum of two sides of a triangle is greater than the sum of the lines joining any point within the triangle to the ends of the third side. 136. Theorem....
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF