 | George Washington Hull - 1895 - 408 σελίδες
...altitude 30 ch.? 4- What is the altitude of a triangle whose base is 360 ft. and area 1 acre? From half the sum of the three sides subtract each side...multiply the half sum and the three remainders together, and extract the square root of the product ; the result will be the area required. 5. What is the area... | |
 | George Washington Hull - 1895 - 404 σελίδες
...altitude 30 ch.? 4. What is the altitude of a triangle whose base is 360 ft. and area 1 acre? From half the sum of the three sides subtract each side...multiply the half sum and the three remainders together, and extract the square root of the product; the result will be the area required. 5. What is the area... | |
 | George Albert Wentworth - 1896 - 318 σελίδες
...found as follows : From the half-sum of the sides subtract each side separately. Multiply the half-sum and the three remainders together. The square root of the product is the area of the triangle. Find the area of a triangle, having given: 147. Base 17J yds., altitude 4J yds. 148.... | |
 | George Albert Wentworth, George Anthony Hill - 1897 - 476 σελίδες
...found as follows : From the half-sum of the sides subtract each side separately. Multiply the half-sum and the three remainders together. The square root of the product is the area of the triangle. Find the area of a triangle, having given: 147. Base 17* yds., altitude 41 yds. 148.... | |
 | Frank Castle - 1899 - 424 σελίδες
...Triangle A base x altitude ; or, half the product of two sides by the sine of included angle; or, from half the sum of the three sides subtract each side...Multiply the half sum and the three remainders together and find the square root of the product. Area of a Rhombus = half the product of the two diagonals.... | |
 | Frank Castle - 1900 - 184 σελίδες
...links. Find the area of the field in acres. Summary. Area of a Triangle = J base x altitude. Or, from half the sum of the three sides subtract each side separately; multiply the half sum and three remainders together; the square root of the product gives the area of the triangle. Area of a... | |
 | Edward Gideon - 1902 - 272 σελίδες
...Find the Area of a Triangle when the Three Sides are given. RULE.—'From half the sum of the side subtract each side separately. Multiply the half sum and the three remainders together, and extract the square root of the product. Find the area of a triangle 10. W T hose sides are 13 ft.,... | |
 | George Albert Wentworth - 1903 - 482 σελίδες
...found as follows : From the half-sum of the sides subtract each side separately. Multiply the half-sum and the three remainders together. The square root of the product is the area of the triangle. Find the area of a triangle, having given: 147. Base 17} yds., altitude 4f yds. 148.... | |
 | George Albert Wentworth - 1903 - 318 σελίδες
...found as follows : From the half-sum of the sides subtract each side separately. Multiply the half-sum and the three remainders together. The square root of the product is the area of the triangle. Find the area of a triangle, having given: 147. Base 17i yds., altitude 41 yds. 148.... | |
 | Albert Allis Hopkins - 1904 - 558 σελίδες
...height given. Multiply base by height and divide by two. When three sides are given. From the half sum of the three sides subtract each side separately;...the half sum and the three remainders together. The area is the square root of the product thus obtained. TRAPEZIUM (a figure with two sides parallel and... | |
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half the sum of the three sides subtract each side separately. Multiply the half sum and the three remainders together ; the square root of the product is the area. 1. Find the area of a triangle whose sides are 15, 20, 25 feet. 
