Question

Find the square of 135 using diagonal method​

Answer 1

Answer:

18225.

Step-by-step explanation:

135²

= first step:- first we find 5 square here it is 25

= second step:- we multiply 13 by 13+1=14 13×14=182

= third step:- we write second step answer first 182 then write first step answer 25 = 18225

> 135² = 18225