 Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and...  Mensuration - Pàgina 2per William Shaffer Hall - 1893 - 62 pàginesVisualització completa - Sobre aquest llibre
 | Nicholas Tillinghast - 1844 - 108 pàgines
...points of division E, G, &c. draw lines parallel to AB, and there will be as many squares formed, as the product of the number of linear units in the base, by the number of the same units in the altitude. In the case before us, the area contains thirtytwo times the superficial... | |
 | Nicholas Tillinghast - 1844 - 108 pàgines
...CD," or, shortly, "AB into CD." PROP. I. THEOREM. The area of a rectangle is obtained by multiplying the number of linear units in the base, by the number of the same linear units in the altitude. . Fig. 58. Let the base of the rectangle ABCD contain a certain... | |
 | Alpheus Crosby - 1851 - 192 pàgines
...? In all cases, then, can you obtain the number of superficial units in a rectangle, by multiplying the number of linear units in the base, by the number of linear units in thej tude? § 170. THEOR. II. The measure of a recta is the product of its base and altitude. [Proved... | |
 | William James Milne - 1877 - 402 pàgines
...every triangle is one-half of a parallelogram of the same base and altitude. Therefore, RULE. — The area of a triangle is equal to one-half the product of the base by the altitude. When the three sides are given, the following is the rule: RULE. — From half... | |
 | George Albert Wentworth - 1882 - 160 pàgines
...23"' В =11° 29' TRIGONOMETRY. § 16. AREA OF THE RIGHT TRIANGLE. It is shown in Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and F the area, F=\ab.... | |
 | George Albert Wentworth - 1884 - 330 pàgines
...44' 21" B =11° 29' A =7S°31' § 16. AREA OF THE RIGHT TRIANGLE. It is shown in Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and .Fthe area, ,-,_... | |
 | George Albert Wentworth - 1887 - 206 pàgines
...=11° 29' A =78° 31' TRIGONOMETRY. § 16. ABEA OF THE RIGHT TRIANGLE. It is shown in Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and F the area, F=lab.... | |
 | George Albert Wentworth - 1887 - 346 pàgines
...B =5° 44' 21" B TRIGONOMETRY. § 16. AREA OF THE RIGHT TRIANGLE. It is shown in Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and area, By means... | |
 | Michigan. Department of Public Instruction - 1892 - 524 pàgines
...the triangle, and its area. 7. What is a circle? A radius? An equilateral polygon? 8. Prove that the area of a triangle is equal to one-half the product of the base and altitude. ARITHMETIC. [First and Second Gtadee.] 1. Make and solve a problem illustrating... | |
 | George Albert Wentworth - 1895 - 436 pàgines
...Case IV. See also § 12, Note. § 14. AREA OF THE RIGHT TRIANGLE. It is shown in Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and F the area, ™... | |
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