Question

compute the squares of 7 and 3 by 4 ​

Answer 1

square of 7 = 7 × 7 = 49

square of 3 = 3 × 3 = 9

Now , compute them ,

compute means to add .

= 49 + 9

=58

now ,

= 58 ÷ 4

= 14.5

hence , proved 14.5 is the answer