Proofs by Sight

Math is a conceptual discipline where visual methods are very powerful. There are many proofs in math which can be “seen” without any need for verbal explanations. We will take up 3 examples. (We will provide a textual explanation since the chapter is about learning about such proofs.)

Pythagoras Theorem

(a + b)2 = a2 +2ab + b2 

Sum of Consecutive Odd Numbers is a Square