A horse is tied to a peg at one corner of a square -shaped grass field of side 15 m by
Channel: Doubtnut
Date: 2020-04-12

A horse is tied to a peg at one corner of a square -shaped grass field of side 15 m by means of a 5-m-long rope (as shown in the figure).   Find (i) the increase in the grazing area if the rope were 10 m long instead of 5m. [Use `pi=3.14`]