 | Frederick Thomas Hodgson - 1883 - 168 sider
...and from half the sum subtract each side separately; then multiply the half sum and the three sides together, and the square root of the product will be the area required. Let the sides of a triangle be 30, 40, and 50 ft. respectively. 30 + 40+50 120 2 60, half... | |
 | Colin Arrott R. Browning - 1884 - 274 sider
...perpendicular. Rule : — From half the sum of the three sides subtract each side separately ; multiply the half sum and the three remainders continually together, and the square root of this product will be the area of triangle. (16) In a right-angled triangle the side opposite to the... | |
 | Euclides - 1884 - 434 sider
...of the three sides, subtract each side separately ; multiply the half sum and the three remainders together, and the square root of the product will be the area.* 1. If from B there be drawn BE j_ AC or AC produced, then BC . CD = AC . CE. 2. ABCD is a ||m having... | |
 | Samuel Wesley Baird - 1901 - 388 sider
...three sides subtract each side separately. Find the product of the half sum and the three remainders. The square root of the product will be the area of the triangle. 1. Find the area of a triangle whose sides are 6, 8, and 10 ft. OPERATION (6 + 8 + 10) -i- 2 = 12,... | |
 | Joseph Gregory Horner - 1906 - 572 sider
...of the three sides, subtract each side separately ; multiply the half sum and the three remainders together, and the square root of the product will be the area. This is more conveniently stated and easier remembered if put in the form of a formula. If the three... | |
 | 1906 - 576 sider
...of the three sides, subtract each side separately ; multiply the half sum and the three remainders together, and the square root of the product will be the area. This is more conveniently stated and easier remembered if put in the form of a formula. If the three... | |
 | William Miller Barr - 1918 - 650 sider
...Given. — Rule 1. From half the sum of the three sides subtract each side severally. Multiply half the sum and the three remainders continually together,...and the square root of the product will be the area required. Rule 2. Any two sides of a triangle being multiplied together and the product again by half... | |
 | 1905 - 572 sider
...given. Rule i — From half the sum of the three sides subtract each side severally. 2 — Multiply the half sum and the three remainders continually together,...and the square root of the product will be the area required. Ex. i — What is the area of a triangle, Fig. 4, whose three sides are 13, 14 and 15 ft.,... | |
 | 1914 - 1114 sider
...sides subtract each side separately, and then multiply the half sum and the three remainders together; The three sides of the triangle are 20, 20, and 28.2, respectively; one-half their sum is 20 + 20 +... | |
 | 1907 - 1104 sider
...and from half the sum thus obtained subtract each side in succession ; then multiply the four results together and the square root of the product will be the area sought. This rule applies more especially to scalene triangles in which the sides an.of unequal lengths.... | |
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Multiply the half sum and the three remainders continually together, and the square root of the product will be the area... 
