An ant is moving around a few food pieces of different shapes scattered on the floor. For which
Channel: Doubtnut
Date: 2020-07-05

An ant is moving around a few food pieces of different shapes scattered on the floor. For which food-piece would the ant have to take a longer round? Remember, circumference of a circle can be obtained by using the expression `c=2pir,` where r is the radius of the circle.