The correct option is
B Triangle
Say: Let’s read the question.
Ask:
∙ How many sides does a circle have?
Ans: 0 sides
∙ How many sides does a square have?
Ans: 4 sides
∙ How many sides does a triangle have?
Ans: 3 sides
∙ How many sides does a rectangle have?
Ans: 4 sides
∙ Which shape is the question referring to?
Ans: Triangle
Hence, option C is the correct answer.
WB: If required, use the whiteboard to draw shapes and mark their sides as shown.
Probing Question:
Q. Which one of the given 4 shapes in the options has the least number of sides, and how many?
A: Circle has the least number of sides among all the 4 given shapes. It has 0 sides.