Write 'T' for true and 'F' for false.
The circle does not have sharp edges.
True. The circle is round and smooth with no corners or sharp edges.
A square has four sides but not all of them are equal in size.
False. A square has four sides and all of them are equal in size.
The triangle has two sides.
False. The triangle has three sides.
The friends could decide who was the best among them.
False. The friends could not decide who was the best among them.
Explanation
(a) The chapter states that Circle said: 'I am round and beautiful. I have no sharp edges.' (b) The chapter states that Square said: 'I have four sides and all of them are equal in size.' (c) The chapter states that Triangle said: 'I have three sides.' (d) The chapter states: 'The friends could not decide who was the best among them. They decided to ask the first person they meet.'