# Elementary Geometry

J.B. Lippincott Company, 1893
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### Ресйечьменб

 RECTILINEAR FIGURES 12 THE CIRCLE RATIO INCOMMENSURABLES DOCTRINE OF LIMITS 65 EXERCISES ON BOOK II 94 GONS 114 EXERCISES ON BOOK III 125 EXERCISES ON BOOK IV 146
 EXERCISES ON BOOK V 169 SYLLABUS OF PLANE GEOMETRY POSTULATES AXIOMS 182 12 201 49 215 EXERCISES ON BOOK VI 220

### ДзмпцйлЮ брпурЬумбфб

УелЯдб 127 - The area of a rectangle is equal to the product of its base and altitude.
УелЯдб 196 - If a straight line is perpendicular to each of two straight lines at their point of intersection, it is perpendicular to the plane of those lines.
УелЯдб 131 - Two triangles having an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles.
УелЯдб 245 - A truncated triangular prism is equivalent to the sum of three pyramids whose common base is the base of the prism, and whose vertices are the three vertices of the inclined section.
УелЯдб 278 - A lune is to the, surface of the sphere as the angle of the lune is to four right angles. Let...
УелЯдб 111 - The square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides.
УелЯдб 48 - The three perpendiculars from the vertices of a triangle to the opposite sides meet in the same point.
УелЯдб 57 - A tangent to a circle is perpendicular to the radius drawn to the point of contact.
УелЯдб 34 - The sum of the three angles of any triangle is equal to two right angles.