 | Franklin Sherman Hoyt, Harriet E. Peet - 1920 - 386 σελίδες
...equality of two or more ratios. Protractor. A protractor is an instrument used to measure angles. Pyramid. A pyramid is a solid whose base is a polygon and whose sides are tri-angles terminating in a common point. Radii. Plural of radius. Radius. A radius of a circle is a straight... | |
 | 1920 - 698 σελίδες
...project from similar points in each view. PROBLEM 14 73. To draw the projections of a hexagonal pyramid. A pyramid is a solid whose base is a polygon and whose sides are triangles uniting at a common point called the vertex. The pyramid for the projections of this problem is shown... | |
 | Frank Eugene Kidder - 1921 - 1944 σελίδες
...diameter, bounded by a curved surface and two equal and opposite parallel circles. A PYRAMID is a volume whose base is a polygon and whose sides are triangles meeting in a point called the VERTEX. A pyramid is triangular, quadrangular, etc., according as its base is a triangle,... | |
 | William Neubecker - 1924 - 410 σελίδες
...of a prism is that of a solid having triangular bases, but its bases may have any number of sides. A pyramid is a solid whose base is a polygon and whose sides are triangular as shown in Fig. 141. The vertices of the triangles forming the sides of the pyramid meet... | |
 | Franklin Sherman Hoyte, Harriet E. Peet - 1927 - 440 σελίδες
...equality of two or more ratios. Protractor. A protractor is an instrument used to measure angles. Pyramid. A pyramid is a solid whose base is a polygon and whose sides are triangles terminating in a common point. Quadrilateral. A quadrilateral is a plane figure bounded by four straight... | |
 | Edward Ira Edgerton, Perry Amherst Carpenter - 1928 - 392 σελίδες
...and the bore (diameter) of the cylinder are the following number of inches. Pyramids and Cones. — A pyramid is a solid whose base is a polygon and whose sides are triangles. (A polygon is a plane figure bounded by three or more straight lines. A cone has a circle for a base... | |
 | Earl F. Burkholder - 2008 - 392 σελίδες
...of four equilateral triangles. It is a figure formed by the minimum number of plane sides. PYRAMID A pyramid is a solid whose base is a polygon and whose triangular sides meet at a common point. Most pyramids are five-sided, having a square base and four... | |
 | Daniel Barnard Hagar - 1871 - 352 σελίδες
...surface and two equal and parallel circles. A RECTANGULAR PRISM. CYLINDER. 718. A Pyramid is a volume whose base is a polygon and whose sides are triangles meeting in a point, called the vertex. A pyramid is triangular, quadrangular, etc., according as its base is a triangle,... | |
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A pyramid (Fig. 54) is a solid whose base is a polygon and whose sides are triangles uniting at a common point, called the vertex. 
