 | Charles Ernest Chadsey - Arithmetic - 1920 - 328 pages
...area of the parallelogram has been shown to be equal to the product of the base and the altitude. The area of a triangle is equal to one-half the product of its base and altitude.1 Exercise 7 1. Find the area of a triangle with a base of 8 inches and an altitude of 7 inches.... | |
 | Leonard Eugene Dickson - Plane trigonometry - 1922 - 225 pages
...A, the side AC by 6, and the base AB by c. In each figure, sin A = h/b. Hence h = b sin A. Since the area of a triangle is equal to one-half the product "of its base c by its altitude h, it is equal to %bc sin A. The area of any triangle is equal to one-half the product... | |
 | Robert Lee Morton - Arithmetic - 1927 - 370 pages
...triangles. Since the area of the rectangle is equal to the product of its base and altitude, the area of the triangle is equal to one-half the product of its base and altitude. In the illustrations, the area of the rectangle is easily seen to be 8 square inches, while the area... | |
 | American Mathematical Society - Mathematics - 1907 - 682 pages
...base and altitude. 2. The area of a square is equal to the square of its side. 3. The area of a right triangle is equal to one-half the product of its base and altitude. 4. The area of a trapezoid is equal to one-half the sum of its bases multipled by its altitude." He... | |
 | Electrical engineering - 1992 - 270 pages
...triangle. Therefore, the hypotenuse is 2 times 13, or 26 inches. 134. Arto of Any Triangle The area of any triangle is equal to one-half the product of its base and altitude. The formula for finding the area is A — — where 6 ie the base of the triangle and Л is the altitude.... | |
 | Yuri Balashov, Alexander Rosenberg - Philosophy - 2002 - 544 pages
...eliminated from any context in favor of the latter (or defining) expression; for example, the statement "The area of a triangle is equal to one-half the product of its base and altitude," can be replaced by the logically equivalent statement "The area of a closed plane figure bounded by... | |
 | Raymond Clare Archibald - Euclid's Elements - 1915 - 104 pages
...directly or indirectly, in more than one of his works. A proof, depending on the proposition that the area of a triangle is equal to one-half the product of its base and altitude, is given by Pappus (pp. 894-897) in connection with one of his lemmas for Euclid's book of Porisms... | |
 | Raymond Clare Archibald, Euclid - Geometry, Plane - 1915 - 104 pages
...directly or indirectly, in more than one of his works. A proof, depending on the proposition that the area of a triangle is equal to one-half the product of its base and altitude, is given by Pappus (pp. 894-897) in connection w1th one of his lemmas for Euclid's book of Porisms... | |
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The area of a triangle is equal to one-half the product of its base and altitude. 
