...a triangle, the sides of which measure, respectively, 230, 560, and 610 yards? M — ///. ANS. — To find the area of a triangle when the three sides are given, find one-half the sum of the three sides and from this subtract each side separately. Then find the...

...you find the base of a right triangle, given the hypotenuse and the perpendicular ? 12. How do you find the area of a triangle when the three sides are given ? 13. What is the relation between the corresponding dimensions of similar figures ? 14. Given the...

...you find the base of a right triangle, given the hypotenuse and the perpendicular ? 12. How do you find the area of a triangle when the three sides are given ? 13. What is the relation between the corresponding dimensions of similar figures ? 14. Given the...

...occurring twice may .4 X 3~XTX7 xT — 4 X 3 X 7 = 84. A nice i'lustration occurs in solving the problem, to find the area of a triangle when the three sides are given. The arithmetic rule is, "add together the three sides, and take the half sum ; from the half sum subtract...

...when base and altitude are given. — Rule: Multiply the base by half the altitude. To find area when three sides are given. — Rule: From half the sum of the three sides, subtract each side separately: multiply the half sum and three remainders together, and extract the square root of...

...the Base and Perpendicular Height are given.—Multiply the base by half t ho height, or tier rcrsd. To find the Area of a Triangle when the Three Sides are given.—Take :^ tb* *om of the sides, subtract each side severally from this sum, then multiply thia...

...problems are all very brief by canceling. To find (Jte area of any triangle when tJie three aides only are given. RULE. — From half the sum of the three sides subtract each side severally; multiply these three remainders and the said half sum continually together ; then the...