The following example of a triangle not at right angles, may be answered by the last rule, only observe to divide by half the given line. It is required to part off 34 acres on the line AB, 620 links long in form of a triangle, the fences not being at right angles. When there are offsets on the given line, and on an adjoining line, or on two adjoining lines, and the offsets are to be included as part of the quantity to be parted off. RULE. Let the area of the offsets which are on the given lines be fubtracted from the given portion, and proceed with the remainder and the other offsets, as in the former examples. |