 | 1829 - 196 σελίδες
...if a circle, a CIRCULAR PYRAMID, or CONE. 2. The POINT AT THE TOP of a pyramid is called the VERTEX. RULE. Multiply the AREA OF THE BASE by ;',• of the PERPENDICULAR HEIGHT. 44. Required the solidity of a square pyramid, each side of whose base ;B 20 inches, and perpendicular... | |
 | George Willson - 1836 - 202 σελίδες
...from which, through the centre of the pyramid to its base, is called its axis. To find the solidity of a pyramid : RULE. — Multiply the area of the base by £ of its height. When the smaller end of a pyramid is cut off parallel to the base, the residue is called... | |
 | George Willson - 1838 - 194 σελίδες
...from which, through the centre of the pyramid to its base, is called its axis. To find the solidity of a pyramid : RULE. -*. Multiply the area of the base by £ of its height. When the smaller end of a pyramid is cut off parallel to the base, the residue is called... | |
 | Aaron Palmer - 1845 - 68 σελίδες
...3x3=9, and 4x4=16; these two added to. gether make 25, the square root of which is 5 feet, the answer. A To MEASURE A TRIANGLE. Place half the base opposite...is 4 feet square, and perpendicular height 9 feet ? 4x4=16, the base. Place this opposite 1. Now i- of 9 is 3. Opposite 3 is the solid content!, 48 feet.... | |
 | Charles Davies - 1861 - 496 σελίδες
...altitnde of the pyramid is the line SO, drawn perpendicular to the base. 425. To find the volume or contents of a pyramid. Rule. — Multiply the area of the base by the altitude, and divide the product by 3 (Bk. VII., Prop. XVII.). OPERATION. 86 24 3)2064 Ans. 683... | |
 | Charles Davies - 1863 - 346 σελίδες
...ABODE. The altitude of the pyramid is the line S 0, drawn perpendicular to the base. 406. To find the contents of a pyramid. Rule. — Multiply the area. of the base by one-third of the altitude. (Bk. VII., Prop. XVII.) Examples. 1. Required the contents of a pyramid,... | |
 | Charles Davies - 1865 - 468 σελίδες
...altitude of the pyramid is the line SO, drawn perpendicular to the base. 1 425. To find the volume or contents of a pyramid. Rule. — Multiply the area of the base by the altitude, and divide the product by 3 (Bk. VII., Prop. XVII.). Examples. 1. Required the contents... | |
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CONTENTS OF A PYRAMID. RULE. — Multiply the area of the base by | of the perpendicular height, whether it be a square, triangular, or circular pyramid. 