94 Geometrical Problems
twelve miles from the road A to B-that is, to the point D, as shown by the
dotted line. Whereupon the General made a very simple calculation in his head
and declared that the distance from A to B must be --.
Can the reader discover so easily how far it was?
- THE PRICE OF A GARDEN
Professor Rackbrane informed his friends one morning that a neighbor
told him that he had been offered a piece of ground for a garden. He said it
was triangular in shape, with the dimensions as shown in our diagram. As the
price proposed was ten dollars per square yard, what will the cost be?
117 yds.