 | Nathan Scholfield - 1845 - 894 σελίδες
...ODE. 3. The base of any rectilineal figure is the side on which the figure is supposed to stand. 4. The altitude of a triangle is the perpendicular distance from the vertex of an angle to the opposite side, as a base. Thus AD is the altitude of the triangle BAG. 5. The altitude... | |
 | Charles Davies - 1874 - 464 σελίδες
...are A ° similar, the sectors BAC and DOE are similar, and the segments BFC and DGE are similar. 4. The ALTITUDE OF A TRIANGLE, is the perpendicular distance from the vertex of either angle to the opposite side, or the opposite side produced. The vertex of the angle from which... | |
 | George Albert Wentworth - 1877 - 416 σελίδες
...the base is called the Vertical angle, and its vertex is called the Vertex of the triangle. 93. DEF. The Altitude of a triangle is the perpendicular distance from the vertex to the base, or the base produced. 94. DEF. The Exterior angle of a triangle is the angle included between a side and... | |
 | Stoddard A. Felter, Samuel Ashbel Farrand - 1877 - 496 σελίδες
...which it seems to rest. Either side may be the base; as, the base w may be AB, or AC, or BC, Fig. 0. 2. The Altitude of a triangle is the perpendicular distance from the vertex to either base ; thus, AC, or CB, or Ce, is the altitude of the triangle ABC, Fig. 6. 3. A Bight-angled... | |
 | William Henry Harrison Phillips - 1878 - 236 σελίδες
...C = B : D, and E : C = F : D, E - B : F. B = B : C, C = A2 : B2. BOOK III.] AREAS. DEFINITIONS. 14. The altitude of a triangle is the perpendicular distance from the vertex of either angle to the opposite side, or the opposite side produced. This angle is called the vertical... | |
 | William Frothingham Bradbury - 1882 - 416 σελίδες
...of a triangle (or of any other figure) is the side on which it is AD supposed to stand ; as A C. 46L The altitude of a triangle is the perpendicular distance from the vertex of the angle opposite the base to the base, or to the base produced ; as B D. 462. The area of a triangle... | |
 | George Albert Wentworth - 1881 - 266 σελίδες
...the base is called the Vertical angle, and its vertex is called the Vertex of the triangle. 93. DEF. The Altitude of a triangle is the perpendicular distance from the vertex to the base, or the base produced. 94. DEF. The Exterior angle of a triangle is the angle included between a side and... | |
 | Franklin Ibach - 1882 - 208 σελίδες
...adjacent side produced ; as Z. a. The Vertex of a triangle is the angular point at the vertical angle. The Altitude of a triangle is the perpendicular distance...from the vertex to the base, or to the base produced. CD is the altitude of both the triangles ABC and EBC. A Medial Line of a triangle is a line drawn from... | |
 | Franklin Ibach - 1882 - 208 σελίδες
...The Vertex of a triangle is the angular point at the vertical angle. The Altitude of a triangle Á l" is the perpendicular distance from the vertex to the base, or to the base produced. Thus, CD is the altitude of both the triangles ABC and EBC. A Meaial Line of a triangle is a line drawn... | |
 | Esmond Vedder De Graff, Margaret Keiver Smith - 1883 - 324 σελίδες
...of a triangle. 5. The vertex of the angle opposite the base is called the vertex of a triangle. 6. The perpendicular distance from the vertex to the base (or to the base produced) is called the altitude of a triangle. METHOD. Teacher. (Presenting form.) What is this? Child. It is... | |
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The altitude of a triangle is the perpendicular distance from the vertex to the base or the base produced. 
