Question

What is the smallest number to be added to the following numbers to make them perfect square . find the square root of the perfect square. a) 689​

Answer 1

The square root of 689 with one digit decimal accuracy is 26.2.

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ

ᴍᴀʀᴋ ᴀꜱ ʙʀᴀɪɴʟɪᴇꜱᴛ

Answer 2

Step-by-step explanation:

40

Because 689+40 makes 729 which is the perfect sqare of 27