Question

Find the smallest number by which 1780 must be added to make the sum a perfect square.

Answer 1

Step-by-step explanation:

69 must be added a perfect square

Answer 2

Answer:

The number to be added is 69

Step-by-step explanation:

$\sqrt{1780} =$

Quotient =42

Remainder =16

42 square <1780

The next square 43

43 square =1849

1849 - 1780=69

Therfore the number to be added is 69